PDF Reader Pro helps you a lot to sign PDFs with image signatures.
1. Click Tools -> Signature; Or Annotate on the main menu -> Signature, Or Fill & Sign-> Signature;
2. A window will pop up, then choose Image -> Select a File to add an image from a file; You can choose Remove white background from image to remove the background;
3. Save & Apply your signature;
4. After that, you can click to change the Opacity of the image signature.
Plus, you are allowed to create the signature directly in PDF Reader Pro for Mac with your keyboard, trackpad or the mouse.
Any further questions, please feel free to contact us via support@pdfreaderpro.com.