Don't most PDF reader software (Adobe or otherwise) have the functionality to let you imprint a signature onto a PDF file and save it as a new file? You'd have

Don't most PDF reader software (Adobe or otherwise) have the functionality to let you imprint a signature onto a PDF file and save it as a new file? You'd have to set up your signature (likely by scanning it) the first time, but once it's done, you can "sign" PDF documents with by clicking a couple buttons. I've done that for a ton of documents by now and have never heard a complaint.