diff --git a/apps/red-ui/src/app/modules/file-preview/services/pdf-proxy.service.ts b/apps/red-ui/src/app/modules/file-preview/services/pdf-proxy.service.ts
index b283a4e07..e70b4537a 100644
--- a/apps/red-ui/src/app/modules/file-preview/services/pdf-proxy.service.ts
+++ b/apps/red-ui/src/app/modules/file-preview/services/pdf-proxy.service.ts
@@ -243,7 +243,7 @@ export class PdfProxyService {
                 dataElement: TextPopups.ADD_RECTANGLE,
                 img: this.#addRedactionIcon,
                 title: this.#getTitle(ManualRedactionEntryTypes.REDACTION),
-                onClick: () => this._addRectangleManualRedaction(),
+                onClick: () => this._ngZone.run(() => this._addRectangleManualRedaction()),
             };
 
             this._pdf.instance.UI.annotationPopup.add([addRectangleButton]);
@@ -276,7 +276,7 @@ export class PdfProxyService {
                     dataElement: TextPopups.ADD_FALSE_POSITIVE,
                     img: this.#falsePositiveIcon,
                     title: this.#getTitle(ManualRedactionEntryTypes.FALSE_POSITIVE),
-                    onClick: () => this._addManualRedactionOfType(ManualRedactionEntryTypes.FALSE_POSITIVE),
+                    onClick: () => this._ngZone.run(() => this._addManualRedactionOfType(ManualRedactionEntryTypes.FALSE_POSITIVE)),
                 });
             }
 
@@ -286,7 +286,7 @@ export class PdfProxyService {
                     dataElement: TextPopups.ADD_REDACTION,
                     img: this.#addRedactionIcon,
                     title: this.#getTitle(ManualRedactionEntryTypes.REDACTION),
-                    onClick: () => this._addManualRedactionOfType(ManualRedactionEntryTypes.REDACTION),
+                    onClick: () => this._ngZone.run(() => this._addManualRedactionOfType(ManualRedactionEntryTypes.REDACTION)),
                 });
 
                 if (!this._iqserPermissionsService.has(ROLES.getRss)) {
@@ -295,7 +295,7 @@ export class PdfProxyService {
                         dataElement: TextPopups.ADD_DICTIONARY,
                         img: this.#addDictIcon,
                         title: this.#getTitle(ManualRedactionEntryTypes.DICTIONARY),
-                        onClick: () => this._addManualRedactionOfType(ManualRedactionEntryTypes.DICTIONARY),
+                        onClick: () => this._ngZone.run(() => this._addManualRedactionOfType(ManualRedactionEntryTypes.DICTIONARY)),
                     });
                 }
             }
diff --git a/apps/red-ui/src/app/modules/pdf-viewer/services/viewer-header.service.ts b/apps/red-ui/src/app/modules/pdf-viewer/services/viewer-header.service.ts
index 226bae523..8984fa880 100644
--- a/apps/red-ui/src/app/modules/pdf-viewer/services/viewer-header.service.ts
+++ b/apps/red-ui/src/app/modules/pdf-viewer/services/viewer-header.service.ts
@@ -1,4 +1,4 @@
-import { Inject, Injectable } from '@angular/core';
+import { Inject, Injectable, NgZone } from '@angular/core';
 import { IHeaderElement, RotationTypes } from '@red/domain';
 import { HeaderElements, HeaderElementType } from '../../file-preview/utils/constants';
 import { TranslateService } from '@ngx-translate/core';
@@ -9,7 +9,6 @@ import { PdfViewer } from './pdf-viewer.service';
 import { ROTATION_ACTION_BUTTONS, ROTATION_BUTTONS, ViewerEvents } from '../utils/constants';
 import { FilesMapService } from '@services/files/files-map.service';
 import { REDDocumentViewer } from './document-viewer.service';
-import { UserPreferenceService } from '@users/user-preference.service';
 import { fromEvent, Observable, Subject } from 'rxjs';
 import { ViewerEvent, VisibilityChangedEvent } from '../utils/types';
 import { ReadableRedactionsService } from './readable-redactions.service';
@@ -48,7 +47,7 @@ export class ViewerHeaderService {
         private readonly _rotationService: PageRotationService,
         private readonly _tooltipsService: TooltipsService,
         private readonly _readableRedactionsService: ReadableRedactionsService,
-        private readonly _userPreferenceService: UserPreferenceService,
+        private readonly _ngZone: NgZone,
     ) {
         this.events$ = this.#events$.asObservable();
     }
@@ -70,9 +69,7 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.TOGGLE_TOOLTIPS,
             title: this._tooltipsService.toggleTooltipsBtnTitle,
             img: this._tooltipsService.toggleTooltipsBtnIcon,
-            onClick: async () => {
-                await this._tooltipsService.toggleTooltips();
-            },
+            onClick: () => this._ngZone.run(() => this._tooltipsService.toggleTooltips()),
         };
     }
 
@@ -83,9 +80,7 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.TOGGLE_READABLE_REDACTIONS,
             title: this._readableRedactionsService.toggleReadableRedactionsBtnTitle,
             img: this._readableRedactionsService.toggleReadableRedactionsBtnIcon,
-            onClick: () => {
-                this._readableRedactionsService.toggleReadableRedactions();
-            },
+            onClick: () => this._ngZone.run(() => this._readableRedactionsService.toggleReadableRedactions()),
         };
     }
 
@@ -94,7 +89,7 @@ export class ViewerHeaderService {
             type: 'actionButton',
             title: this._translateService.instant('viewer-header.load-all-annotations'),
             img: this._convertPath('/assets/icons/general/pdftron-action-load-all-annotations.svg'),
-            onClick: () => this.#events$.next({ type: ViewerEvents.LOAD_ALL_ANNOTATIONS }),
+            onClick: () => this._ngZone.run(() => this.#events$.next({ type: ViewerEvents.LOAD_ALL_ANNOTATIONS })),
             dataElement: HeaderElements.LOAD_ALL_ANNOTATIONS,
         };
     }
@@ -106,7 +101,7 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.CLOSE_COMPARE_BUTTON,
             img: this._convertPath('/assets/icons/general/pdftron-action-close-compare.svg'),
             title: 'Leave Compare Mode',
-            onClick: () => this._closeCompareMode(),
+            onClick: () => this._ngZone.run(() => this._closeCompareMode()),
         };
     }
 
@@ -117,10 +112,11 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.ROTATE_LEFT_BUTTON,
             img: this._convertPath('/assets/icons/general/rotate-left.svg'),
             title: 'Rotate page left',
-            onClick: () => {
-                this._rotationService.addRotation(RotationTypes.LEFT);
-                this.#toggleRotationActionButtons();
-            },
+            onClick: () =>
+                this._ngZone.run(() => {
+                    this._rotationService.addRotation(RotationTypes.LEFT);
+                    this.#toggleRotationActionButtons();
+                }),
         };
     }
 
@@ -139,8 +135,10 @@ export class ViewerHeaderService {
                         margin: 0 12px;
                     `;
                 paragraph.addEventListener('click', async () => {
-                    await this._rotationService.applyRotation();
-                    this.disable(ROTATION_ACTION_BUTTONS);
+                    await this._ngZone.run(async () => {
+                        await this._rotationService.applyRotation();
+                        this.disable(ROTATION_ACTION_BUTTONS);
+                    });
                 });
                 return paragraph;
             },
@@ -161,7 +159,7 @@ export class ViewerHeaderService {
                         cursor: pointer;
                         opacity: 0.7;
                     `;
-                paragraph.addEventListener('click', () => this.#discardRotation());
+                paragraph.addEventListener('click', () => this._ngZone.run(() => this.#discardRotation()));
                 return paragraph;
             },
         };
@@ -174,10 +172,11 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.ROTATE_RIGHT_BUTTON,
             img: this._convertPath('/assets/icons/general/rotate-right.svg'),
             title: 'Rotate page right',
-            onClick: () => {
-                this._rotationService.addRotation(RotationTypes.RIGHT);
-                this.#toggleRotationActionButtons();
-            },
+            onClick: () =>
+                this._ngZone.run(() => {
+                    this._rotationService.addRotation(RotationTypes.RIGHT);
+                    this.#toggleRotationActionButtons();
+                }),
         };
     }
 
@@ -188,10 +187,11 @@ export class ViewerHeaderService {
             dataElement: HeaderElements.COMPARE_BUTTON,
             img: this._convertPath('/assets/icons/general/pdftron-action-compare.svg'),
             title: 'Compare',
-            onClick: async () => {
-                document.getElementById('compareFileInput').click();
-                this.#docBeforeCompare = await this._documentViewer.blob();
-            },
+            onClick: () =>
+                this._ngZone.run(async () => {
+                    document.getElementById('compareFileInput').click();
+                    this.#docBeforeCompare = await this._documentViewer.blob();
+                }),
         };
     }
 
@@ -293,7 +293,7 @@ export class ViewerHeaderService {
     enableLoadAllAnnotations(): void {
         this._pdf.instance.UI.updateElement(HeaderElements.LOAD_ALL_ANNOTATIONS, {
             img: this._convertPath('/assets/icons/general/pdftron-action-load-all-annotations.svg'),
-            onClick: () => this.#events$.next({ type: ViewerEvents.LOAD_ALL_ANNOTATIONS }),
+            onClick: () => this._ngZone.run(() => this.#events$.next({ type: ViewerEvents.LOAD_ALL_ANNOTATIONS })),
         });
     }