Spark Pay Online Stores supports powerful user roles and groups which allows only users with permssion to do certain things.
To get started working with User Roles/Groups navigate to Settings > Security > User Roles/Groups
From there you can either edit an existing group, or create a new one...
In the middle of the page will be all of the system areas that you can control for the group. For each item you can check whether the group is allowed to Create, Read, Update (Edit) or delete data from that area.
Once a user group is created, the group can be applied to users in Settings > Security > Users by editing the user and checking the desired group in the User Roles/Groups table:
