# Watermark not disappearing despite valid license

**URL:** <https://pdfjs.community/t/watermark-not-disappearing-despite-valid-license/1612>\
**Category:** Technical Support\
**Tags:** pdfjs-express\
**Created:** [April 20, 2022, 6:11am UTC](https://pdfjs.community/t/watermark-not-disappearing-despite-valid-license/1612 "2022-04-20T06:11:59Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [April 20, 2022, 6:12am UTC](https://pdfjs.community/t/watermark-not-disappearing-despite-valid-license/1612/3 "2022-04-20T06:12:05Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:
- [Integrating PDF.js Express Plus with NPM - 2) Copy static files](https://pdfjs.express/documentation/get-started/npm#2)-copy-static-files)
- [Integrating PDF.js Express Viewer with NPM - 2) Copy static files](https://pdfjs.express/documentation/get-started-viewer/npm#2)-copy-static-files)
- [Integrating PDF.js Express Plus with React - 3. Place WebViewer into a component](https://pdfjs.express/documentation/get-started/react#3.-place-webviewer-into-a-component)

APIs:
- [Core.Document - getDownloadLink( [options])](https://pdfjs.express/api/Core.Document.html#getDownloadLink__anchor)
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [Core](https://pdfjs.express/api/Core.html#__anchor)

Forums:
- [PDF.js Express Viewer not working via reverse proxies](https://pdfjs.community/t/pdf-js-express-viewer-not-working-via-reverse-proxies/1255/1)
- [Am getting this error when loading WebViewer with Vue application](https://pdfjs.community/t/am-getting-this-error-when-loading-webviewer-with-vue-application/1319/1)
- [Is it possible to disable the ‘create links from URLs’ behaviour in PDF.js Express Viewer?](https://pdfjs.community/t/is-it-possible-to-disable-the-create-links-from-urls-behaviour-in-pdf-js-express-viewer/1258/1)

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