When a KPI has a comment the system will display the comments icon, and the comment can be viewed by hovering over the icon as highlighted below:

To add or edit a comment, click on the KPI card to view the chart. The system provides a comments field that is hidden by default and becomes visible when you click on the comments icon, as highlighted below:

You can add your comment on the above and it will be automatically saved against the current RAR, these comments are also available on the RAR email and downloads.

You can remove the comment by deleting all the characters captured.