Acrobat reader REQUIRES a sign-in via Facebook, Google, or their own Adobe ID before allowing you to open any PDF files and requires you to visit their website to opt-out of the forced acceptance of marketing SPAM during sign in..
Acrobat reader REQUIRES a sign-in via Facebook, Google, or their own Adobe ID before allowing you to open any PDF files and requires you to visit their website to opt-out of the forced acceptance of marketing SPAM during sign in..
There are multiple open source options available on F-Droid. I use Book Reader, and it works for my basic needs.