We are delighted To announce another monthly release of GroupDocs.Signature for Java. This latest version 18.11 comes up with multitudinous features along with numerous improvements and fixes. The main feature introduced in this release is ability To add and search Metadata Signatures in a Pdf document. Therefore, we would recommend you To download the new version of the API To evaluate the exciting new features and enhance your document e-signing experience....search Metadata Signatures in a PDF document. Therefore, we would...encrypted QR-Code Signature in a PDF document: # // setup key and...