Compare Suite 

Compare Suite can compare both - related and non-related files. "By keywords" comparison feature highlights common and unique keywords, allowing to compare non-related files. Word-by-word comparison compares files with a common ancestor.
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Compare PDF 

Compare PDF can compare both - related and non-related Adobe Acrobat files. "By keywords" comparison feature highlights common and unique keywords, allowing to compare non-related files. Word-by-word comparison compares files with a common ancestor
compare pdf compare adobe acrobat by keywords compare file folder comparison merge text comparison report compare folder