1When there is a problem with the pdf signature, use professional PDF editor software to open the PDF file, find the page with the problem signature, and then select the option of deleting the signature. Then save the file to delete the signature.

2. If the signature in question is caused by digital signature, you can try to rescan the original paper file or regenerate the PDF file with a scanner. In this way, you can get a new PDF file without any signature.