There's even pen support, so you can use an actual signature if you're working with a Surface or similar. You'll need to use the full Acrobat product to create new forms, but Reader works well if all you need to do is fill in the occasional form. One of the more important roles of a modern PDF tool is for form filling. SEE: Hiring kit: Multimedia designer (Tech Pro Research)
Comments can be saved with a file and shared using your usual collaboration tools. However, you can use it to comment on files, highlighting content and adding notes where necessary.
While Document Cloud adds export and basic editing features, most of the time they're not really necessary and can be ignored.
