PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

Many workplaces and educational institutions have completely switched from paper documents to digital ones. Consequently, Mac users are increasingly dealing with PDFs and other e-document file formats ...