Thanks for your inquiry. If you have a valid license, you can use Aspose.Words without any limitation. Please go ahead. Once your license is expired, License.SetLicense method will throw subscription expiry exception.
Please check the expiration date of your license file. To check an expiration date of your license, open the license file using notepad. You will see the following tags:
It means that you can free upgrade to version of Aspose.Words published before 12/31/2016.