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 ...

PDF Expert Premium makes managing, editing, and organising PDFs simple — lifetime access to powerful tools designed to ...

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.