If you want to sign a PDF, this post talks of free tools that let you add a signature to PDF. Type or draw a signature using them.

How to add your signature to a PDF or document using a Mac Every Mac computer comes with the program Preview, which is a great and free tool to view your photos.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

Best free PDF editors for Mac Need to edit or fill in a PDF and don't want to pay? Add signatures, combine pages, rotate pages, reduce file size, convert PDFs and more with these Free PDF editors.

Use your signatures in PDFs To sign a PDF, click on the Pen icon near the top right, and then the Sig icon, and click on the signature you want to use. Then click, hold, and drag across the PDF in ...