2] Check your internet connection. Adobe Acrobat DC works with both online and offline files. If you are trying to edit a PDF file from the cloud you need to have a stable internet connection.

Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open the document unless you type in the ...

I was able to quickly open and scroll through a 56 page PDF file with no issue, and Chrome’s built-in search feature even let me find text in the file. Currently, Chrome can't open PDF files inline.