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 Create a Digital Signature Using PDF Security. Adobe Acrobat enables you to create PDF documents that are compatible with virtually every operating system and platform.

Just like how you add inked signatures on a hard-paper document, you can also add an electronic signature to your PDF document in the Edge browser.

To add your signature to another spot or a subsequent PDF, click on the Sign icon and choose your saved signature. After you’ve added text and signed the PDF, save the file.

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 ...

In the event a digital document needs to be signed, like a form or a letter, macOS includes a way to add your signature without needing to print out the pages and rescan them. AppleInsider shows ...

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.