How to edit Protectd PDF file

What I often do is just to use the Snapshot Tool in Adobe PDF reader, copied the text that I wanted to edit as an image and pasted it into Microsoft Office Document Imaging. Then, here’s the magic part, go to Tools-Recognize text using OCR and hey, presto you have editable text. And then you can choose to save it as a PDF file in Open Office after having finished editing it.