How to Prevent Saving a PDF File. PDF files offer advantages such as convenience and portability. This file format also allows your small business to create "read only" PDF files.

Sure, it's easy to create a PDF, but can you protect what you share? In this Macworld Video, Scholle Sawyer McFarland shows how to encrypt a PDF using only OS X's built in tools.

How to Create a PDF From Any Website, on Any Device A PDF document is only a click away, no matter if you're using a computer or an iPhone.