On Friday, April 8th, Flexera will release a new and improved user experience for a new Administration >Identity Management > Group Management page in Flexera One. Before the release, this page existed under Administration > Identity Management > Groups. End-users can access this page, and updated page with roles Administer Organization and Manage Organization roles (commonly referred to as org owners).
Updated documentation can be found here:
https://docs.flexera.com/flexera/EN/Administration/users.htm
https://docs.flexera.com/flexera/EN/Administration/managinggroups.htm