Answered
I need to apply OCR to part of one page within a PDF and not the entire page, so that some text is not searchable, but other text is. Is this possible to do wth Acrobat Pro 9? If not, is there some sort of an add-on feature that makes this possible?
I understand that you would like to know if Acrobat can perform an OCR
on only a portion of a page instead of the entire page of a PDF file.
Acrobat does not contain a preference that allows you to OCR only a
portion of a page.
I have submitted this as a feature request.