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.

Google Docs' drawing tool can be used to add a signature to your document, but it's more secure to use an add-on, like DocuSign or HelloSign.

Learn how to create a fillable form in Google Docs. You can insert checkbox, signature box, etc. in Google Docs using this guide.