Watermark still showing with license key

Which product are you using?
PDF.js Express Viewer

PDF.js Express Version
Core version 8.3.0
UI version 8.3.2

Detailed description of issue
Entered the correct license key linked to my domain, but watermarks are still showing

Expected behaviour
PDf to display without watermarks

Does your issue happen with every document, or just one?
Every time

Link to document
https://box10.co.uk/work/tapestry/index.html

Code snippet
https://box10.co.uk/work/tapestry/index.html

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