Generating and previewing PDF in Angular 10 - Background Layer

pdfmake is the client/server side PDF printing in pure JavaScript.
ng2-pdf-viewer i sthe angular component for the viewing the pdf file.
Links of the libraries using :
pdfmake : pdfmake.org/#/
pdf viewer : www.npmjs.com/...
And also attaching github repo of the reference.
github.com/Ana...

[@marcosafotografia]

Hi, do you know how can i insert a summary in a document?