Open the PDF, click Insert, select the PDF signature, click Create Signature, and then select how to create the signature. After the creation is successful, click the left mouse button at the signature.

The operation method is as follows:

1. First, create a blank PDF document in WPS, and click Insert -PDF Signature-Create Signature.

2. Then select the PDF signature type.

3. Upload the signature content and click OK.

4. After the signature is created successfully, click Insert -PDF Signature-Select Signature.

5. At this time, you can see that the signature has been successfully inserted into the document and the size has been adjusted and moved.