After battling a deceitful ad that duped my dad into installing numerous PDF apps on his phone, I have a few bones to pick.

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

If you're on the hunt for a lightweight, open-source PDF app with a strong developer backing and perfect for navigating ...

Each month, explore standout moments from across breaking news, politics, culture, lifestyle, and sports. AP Video brings you instant access to powerful stories and perspectives that shape global ...