Read pdf file inside app

I need help regarding preview a pdf file inside app from external link without using Google view or download file

have you try this ?

install plugin document viewer

ionic cordova plugin add cordova-plugin-document-viewer
npm install @ionic-native/document-viewer
and add this code in your file ts
import { DocumentViewer } from '@ionic-native/document-viewer/ngx';

constructor(private document: DocumentViewer) { }

const options: DocumentViewerOptions = {
  title: 'My PDF'

this.document.viewDocument('assets/myFile.pdf', 'application/pdf', options)