Available for free, PDF Shaper is a utility that makes l reverse operation! Indeed, PDF Shaper allows to convert a PDF file to RTF document, c-is - say in a document readable and editable by a word processor like Word l.
Thus, you can convert n matter what PDF text document (retaining its layout), to modify it, add information, etc.
Note that you can convert several files PDF simultan ment with PDF Shaper.