If you have sufficient privileges, you can create annotations on text and image documents.
To create and place an annotation on a text or image document:
In the Document Viewer toolbar, select the type of annotation from the drop-down list:
Enable the selected annotation by clicking the Toggle Annotation button:
Using your mouse pointer, define the location and size of the annotation by clicking and dragging the pointer over the document. Release the mouse button when finished to display the annotation.
Ensure that the annotation is large enough to be visible. Annotations are required to be a certain size before they can be created and saved.