how to set license in groupdocs.signature-21.1.jar
Please be aware of the following resources that will help you with product
- documentation here Evaluation Limitations and Licensing of GroupDocs.Signature | Documentation
- gitHub samples here
https://github.com/groupdocs-signature/GroupDocs.Signature-for-Java/blob/master/Examples/src/main/java/com/groupdocs/signature/examples/quick_start/SetLicenseFromFile.java
Hope this will help
Thank you!