You can add a border in a Google Docs page using a workaround, since there's no built-in border tool for doing this ...
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.
In our Google Docs review, we examine the platform’s pros and cons to help you determine whether it’s the right choice for you or your business.