I bought books in the acrobat format and asnd as attachment to my iPhone 6 plus . Whe I down load the attached documents and open the document using Adobe reader unsuccessful . The message appears as " there are featured in this document that cannot open with this version of Adobe"
appreciate someone one in the community can help
Acrobat Reader is not an eBook Reader. Unfortunately, it does not support DRM (Digital Rights Management) protected PDF documents.
Would you check the publisher of the eBooks to find out which iOS apps support the particular type of eBooks? Have you tried to open them in Apple iBooks?