PDF files have the option to let you share and comment on documents in a wide range of applications. Adobe Acrobat Reader and other free PDF programs offer a subset of the capabilities of the paid ...

Confession time. This week’s Tech 911 is a bit of a head-scratcher, because the wide world of PDFs is confusing, at best, and typically more frustrating than anything else. There are a ton of ...

In a new update, Google Drive is letting users leave feedback on uploaded Microsoft Office files, PDFs, and images without needing to convert them into a Google Docs, Sheets, or Slides. This change is ...

The PDF viewer now has a new feature for adding comments within PDF documents. This allows users to add comments anywhere within a PDF document. To add a comment, open the PDF document, select the ...

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 ...