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.

How to Save Part of a PDF File to Another File. PDF files are text-based documents that can include links, photographs and other media. They're typically opened with Adobe Acrobat or as read-only ...

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.