iRead PDF is a useful PDF reading software program that supports PDF, XDV, PS, and DVI files. With this application you can take notes, as well as edit tables of contents. The utility allows you to view PDFs, zoom in or out the pages, and easily navigate in directories or thumbnails. You can view all of your notes and highlights, text, rectangles, circles, and other marking methods. In addition, it lets you to save multiple snapshots and synchronize with iCloud.