Find the signature that needs to be saved as a picture, right-click the signature, select Save As Picture, enter the Save File interface, select the path of the picture, set the name of the picture, and click Save to save the signed picture successfully.

Electronic signature refers to the data contained in the data message in electronic form and accompanied by data used to identify the identity of the signer and show that the signer approves its content. Generally speaking, electronic signature is the electronic signature of electronic documents through cryptographic technology, rather than the digital visualization of written signatures.