I don't think it's necessary to convert to PDF to remove this history (I believe just copying the content to a new document would be sufficient). However, if th

I don't think it's necessary to convert to PDF to remove this history (I believe just copying the content to a new document would be sufficient). However, if the recipient is expecting a PDF and gets a Word file, that's going to raise a red flag. The better (technically, not legally) approach might be to directly edit the PDF, though I'm not sure what the tooling is like there.