The PDF Secure Reader is an end user mobile App that facilitates read access to a PDF that is managed via the admin portal at https://www.progwhiz.com/bookreader.html but prohibits users from copying , printing etc.
Can be downloaded for Free on Apple iStore
https://apps.apple.com/us/app/progwhiz-pdf-viewer/id1502711944?platform=iphone
Can be downloaded for Free on Apple iStore
https://apps.apple.com/us/app/progwhiz-pdf-viewer/id1502711944?platform=iphone