Adobe reader is compatible with both mobile as well as pc and has good features to. it is very simple to operate it and easy to go on any page at any time. there are many features as highlighter and feature of snapshot and many more.it is having many tools for converting the document into word or excel in it
you can adjust the size of screen and increase the font size as to your ease.
you can send file directly from this to tours friends email
you can edit your document and can write notes to remember it
you can directly switch to other document from it
the best one is its snapshot feature which I like the most.
I am using it before 6 years and not facing any problem in it and it is very easy to use. so you must have this in your pc and in mobile