How to password protect a PDF in Adobe Acrobat Reader and shield your sensitive data

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.
PC Magazine

How to Insert Text, Sign a PDF With Adobe Acrobat Reader

How to Insert Text, Sign a PDF With Adobe Acrobat Reader Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free ...
CNET

Controlling PDF display in Web browsers (using Preview instead of Adobe Reader or vice versa, etc.); forcing Safari to download

Less than intuitive are the controls for determining how PDFs accessed through Safari and other Web browsers are displayed. Options are generally hidden within specific applications rather than ...
CNET

Adobe updates Acrobat, Reader, and Flash for security

Amid reports of rising security risks surrounding PDF formatted files and the continued battle to keep Flash at the forefront of Web-based multimedia usage, Adobe releases critical security updates ...
PC Magazine

No Time for Huge PDFs? How to Ask Adobe's AI Assistant to Summarize Files

Adobe's AI Assistant in Acrobat and Reader can answer questions about a PDF and even help you generate content based on the information in the file. Lance is an experienced writer who tries to unravel ...