Welcome to Headwind MDM Q&A, where you can ask questions and receive answers from other members of the community.
Please do not post bug reports, missing feature requests, or demo inquiries. If you have such an inquiry, submit a contact form.
You can adjust permissions available for each user role, and add new user roles, in Settings - User Role Settings.
I believe the description of each permission is self-explanatory. If you still need help with understanding what is the purpose of a certain permission, please contact the technical support.