Following are the ACLs and settings that you'll need to configure in ensuring your site is GDPR compliant to end users.
Edit Own Comments
To allow users to edit their own comments, proceed to the respective user group and enable the Edit Own Comments ACL under Moderation tab. Navigate to Komento > ACL > (respective user group) > Moderation.
Delete Own Comments
To allow users to delete their own comments, proceed to the respective user group and enable the Delete Own Comments ACL under Moderation tab. Navigate to Komento > ACL > (respective user group) > Moderation.
Delete Own Attachments
To allow user to delete their own attachments, proceed to the respective user group and enable the Delete Own Attachments ACL under Moderation tab. Navigate to Komento > ACL > (respective user group) > Moderation.