Frequently the PDF files are displayed after a long wait. However, they are rendered immediately if you're scrolling or click. I am using ngx-extended-pdf-viewer with angular.
What to do in order to fix this ?
<ngx-extended-pdf-viewer [src]="'assets/pdfs/sample.pdf'" [height]="'73vh'" [useBrowserLocale]="true">
It's documented here:
https://www.pdfviewer.net/extended-pdf-viewer/page-view-mode