Depending on the Annotation type you can upload different files to go with the annotation.
For Standard Annotations, most images and document types can be uploaded as attachments.
For Hotspot Annotations, what is allowed will depend on the Hotspot Type.
File size upload limits are as follows:
- Free plan: 20 MB
- Plus plan: 200 MB
- Pro plan: 500 MB
To learn more about upgrading, click here.