Which product are you using?
PDF.js Express Plus
PDF.js Express Version
8.2.0
Detailed description of issue
I have a paid license assigned to wyliebiz.com but the watermark still appears on wyliebiz.com and subdomains.
The viewer seems to know that the license is valid, as when I try to use the same license in my dev environment (dev.wyliesystems.ca) I get an error.
Sounds similar to