Looking for the best PDF annotation app for Windows, Mac, or iPad? Here are 10 options for you, reviewed in detail!

PDF is one of the most widely used formats for sharing and viewing documents, especially in professional and educational settings. From business reports and academic papers to eBooks and user ...

So what I was looking for was a single app capable of pulling documents from Google, MobileMe and Dropbox, rendering them (even the large ones) with a crazy-fast engine and letting me annotate them.

Few activities can cause as much frustration and waste as much time as dealing with PDF files. Fortunately, PDF Reader Pro can crush all those issues with ease, so you'll never again struggle with ...

So instead, I typically fell back on marking up hard copies with highlighters and adding notes in the margins. Highlights is a PDF annotation app that’s been available on the Mac for a long time but ...