Abstract
Many people share PDF files but many times you may need to modify the contents of those PDF files. That could mean filling out forms or adding a signature. Fortunately, you can modify PDF files on a Macintosh so you never need to buy special PDF editing software.
Keywords
Graphic Image Portable Document Format Thumbnail Image Left Pane Sign Icon
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Copyright information
© Wallace Wang 2016