Only a member of the SPO Administrators group can create or edit roles.
To create or edit a role
In Administration mode, select Roles in the navigation pane.
Click New Role on the File menu.
A new role appears in the display pane with the default name rolex. The details pane displays the properties for this new role which include, description, name, and the list of Windows users and groups that are members of this role.
In the details pane, enter a Description and a Name, and use the ellipsis () to complete
the list of Members
Save your changes.