PDF files have become mainstays in our multi platform world. This handy file format makes it possible to view and share documents across a range of devices using various operating systems and software. While simply viewing or commenting on a PDF can be accomplished with free software, there are times when you might want to engage with a PDF document more extensively. Say you want to make edits, reorganize a file, or collaborate with others to make changes. That’s where a full featured PDF...

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