https://github.com/intbot/ng2-pdfjs-viewer/issues/289

Author: codehippie1

lib/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ng2-pdfjs-viewer",
-  "version": "25.0.15",
+  "version": "25.0.16",
   "description": "The most comprehensive Angular PDF viewer powered by Mozilla PDF.js. 7M+ downloads, mobile-first, production-ready with complete rewrite in v25.x",
   "author": {
     "name": "Aneesh Goapalakrishnan",

lib/src/ng2-pdfjs-viewer.component.ts

@@ -157,13 +157,13 @@ import { ChangeOriginTracker } from "./utils/ChangeOriginTracker";
       <iframe
         [title]="iframeTitle || 'PDF document viewer'"
         [hidden]="externalWindow || (!externalWindow && !pdfSrc)"
-        sandbox="allow-forms allow-scripts allow-same-origin allow-modals"
+        sandbox="allow-forms allow-scripts allow-same-origin allow-modals allow-downloads"
         [class]="getIframeClasses()"
         #iframe
         width="100%"
         height="100%"
       ></iframe>
-
+      
       <div
         class="ng2-pdfjs-loading-overlay"
         *ngIf="showSpinner && isLoading && !externalWindow"
@@ -287,6 +287,7 @@ export class PdfJsViewerComponent
 
   // #region Auto-Action Properties
   @Input() public downloadOnLoad: boolean = false;
+  @Input() public enableSandbox: boolean = false;
   @Input() public printOnLoad: boolean = false;
   @Input() public rotateCW: boolean = false;
   @Input() public rotateCCW: boolean = false;