diff --git a/src/frontend/plugins/onlyoffice-api-js/onlyoffice-viewer.component.ts b/src/frontend/plugins/onlyoffice-api-js/onlyoffice-viewer.component.ts
index 3f236b2c0eb8470727368e588c0816913e126c2a..9db943a72ad6c50d078f0ec1cbee87a749d0ad85 100644
--- a/src/frontend/plugins/onlyoffice-api-js/onlyoffice-viewer.component.ts
+++ b/src/frontend/plugins/onlyoffice-api-js/onlyoffice-viewer.component.ts
@@ -297,6 +297,8 @@ export class EcplOnlyofficeViewerComponent implements OnInit, AfterViewInit, OnD
                     download: true,
                     edit: this.editMode,
                     print: true,
+                    deleteCommentAuthorOnly: true,
+                    editCommentAuthorOnly: true,
                     review: false
                 }
             },
@@ -317,7 +319,7 @@ export class EcplOnlyofficeViewerComponent implements OnInit, AfterViewInit, OnD
                     zoom: -2,
                 },
                 user: {
-                    id: this.headerService.user.id,
+                    id: this.headerService.user.id.toString(),
                     name: `${this.headerService.user.firstname} ${this.headerService.user.lastname}`
                 },
             },