You require a Spinpanel role to be able to manage groups.
You can create groups in Spinpanel to fine tune your user access, please note that these groups are available only for use inside the platform. A User group can be used for role management, you can create Spinpanel roles and assign them to a User group. For example, if you create a role for your “Finance” team to only be able to view reports you can create a User group and assign it to that role. Then from the Users page you can easily manage membership to that Spinpanel role group.
A Device group is used for WorkSpace. You can create machine policies and assign them to device group. In a Device group you can add any device enrolled in the organizations WorkSpace solution.