It looks like we don't have the translated page you're looking for, but we do have other content in English and offer support in English.
Use invitation settings to:
Manage invitation rights. Allow all users to invite new users to join your Wrike subscription or restrict invitation rights to admins.
Specify who regular users can invite. Allow invitations to be sent to any email address or require that invitees have specific email domains.
Decide what type of licenses users can grant when they invite someone.