How to Add Comments Add comments to titles, figures, and paragraphs in the Document Viewer. Procedure Hover the mouse next to a title, figure or a paragraph. A comment icon is displayed. Click on the comment icon to add comments. A text box is displayed to add the comment. Add the required comment. The color of the comment icon changes indicating the presence of comments. Notes and limitations Comments feature in EHANDBOOK-NAVIGATOR basic mode support to write and save comments, but importing or exporting of comments is not allowed.