Hello,
Thanks for your inquiry.
I noticed that your license subscription has expired on 2019/11/17. This means you can continue to use the version released before 2019/11/17. According to the
release log, the latest version released before your license expired was Spire.Doc 7.11.1. Your licence is valid for Spire.Doc 7.11.1 and the lower versions.
Feel free to contact us if you have further questions.
Sincerely,
Rachel
E-iceblue support team