# Unable to see/add annotations

**URL:** <https://pdfjs.community/t/unable-to-see-add-annotations/1919>\
**Category:** Technical Support\
**Tags:** pdfjs-express\
**Created:** [August 4, 2022, 1:53am UTC](https://pdfjs.community/t/unable-to-see-add-annotations/1919 "2022-08-04T01:53:11Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [August 4, 2022, 1:53am UTC](https://pdfjs.community/t/unable-to-see-add-annotations/1919/3 "2022-08-04T01:53:17Z")

</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:
- [Core engine for WebViewer - Creating your own UI using WebViewer Core](https://pdfjs.express/documentation/ui-customization/core#creating-your-own-ui-using-webviewer-core)
- [PDF.js Express Documentation - Annotation](https://pdfjs.express/documentation#annotation-<span-class='plus'></span>)
- [PDF.js Express Utility API](https://pdfjs.express/documentation/utils)

APIs:
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [ExpressUtils(optionsopt) - # async set() → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#set__anchor)
- [UndefinedannotationsLoaded](https://pdfjs.express/api/namespaces.list.html#event:annotationsLoaded__anchor)

Forums:
- [Save PDF in ours servers](https://pdfjs.community/t/save-pdf-in-ours-servers/1154/4)
- [Viewer displays PDF correctly / Merged PDF file missing form fields](https://pdfjs.community/t/viewer-displays-pdf-correctly-merged-pdf-file-missing-form-fields/1912/1)
- [Annotations (comments ex) causing JS error: won’t render](https://pdfjs.community/t/annotations-comments-ex-causing-js-error-wont-render/1777/1)

---

_[View the full topic](https://pdfjs.community/t/unable-to-see-add-annotations/1919)._