I have found that with Acrobat 8 when pdf documents have an article that has multiple columns (think of it like a newspaper or magizine article) and you perform a compare, Acrobat 8 Compares the documents following the columns as you would read. However, it appears in Acrobat 9 the compare reads across the columns, row by row. Has anyone else seen this issue, is this a bug or is there perhaps a new option to compare documents in different ways and I am missing a "column mode" type of search? Any feed back would be helpful. Thank you