Let's be honest, PDFs are a total pain to work with. They don't have to be, though. You can finally use PDFs the way they were always meant to be used by grabbing PDF Expert 2.2. It's on sale right now for just $29.99 (approx £24).
PDF Expert 2.2 removes the clunky, restrictive parts of PDFs and turns them into an easy-to-use file type that you can do much more with. This all-purpose PDF editor makes it easy to add text and markups to a document, and allows you to turn any PDF into a collaboration so you can share the file with colleagues for input and refinement.