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.

Learn how to add, update and remove watermarks in Adobe Acrobat. It shows how to add one watermark to multiple PDF documents.

If you need to edit PDF on iPhone in a hurry, you can do so without having to install any new app. Just use the native Files app. Let's show you how.

Click the "Add Hyperlink" button, enter the URL for the PDF image, click it to select it, and then click "OK." Click "OK" again to finish creating your signature.

Make your document look clean and professional by using bullets for your lists. We’ll show you how to add bullets in Apple Pages on Mac, iPhone, and iPad.