Show Comment Numbers - Toggle on if you want comments made by users to show a comment number. This also allows users to split directory from a comment. Click herefor information about splitting from a comment.
Public / Internal Comments
Specify if you want users to make public and internal comments.
Allow Internal Comments - Toggle on if you want users of this form to be able to make internal comments. Default is set to off which means all comments will be public.
Click herefor information about public and internal comments.
Configure Forced Comment at Different Statuses
Specify if comments are forced or not and on what status.
When Public / Internal Comments is toggled on then you get the option to configure at which status, if at all, a comment is forced.