PDF Master 2.3 for Mac is available as a free download on our software library. Our built-in antivirus checked this Mac download and rated it as 100% safe. This free Mac app was originally produced by Diigo Inc. PDF Master for Mac lies within Productivity Tools, more precisely Office Tools.
From the developer:
PDF Master is a Multiple tab PDF reader. You can save your PDF and annotations to Diigo account just as you annotate web pages.
You may want to check out more software for Mac, such as pdf-Recover, PDF Creator or A-PDF Watermark for Mac, which might be similar to PDF Master.