Select the role for the person. On the Enterprise plan, custom roles are listed under Custom roles.
Click Send invitations.
Each user you invite will receive an email from Next Matter inviting them to activate their account and set up their password.
The Onboard a list of light users Next Matter template will help you quickly add a list of light users and share a portal with them. You can find the template when you add a step and select Templates > Next Matter templates.