Yes you can. To do so, just access the “Members” tab in the left section of the console and then click on “Invitations” in the upper right corner.
If you have divided your organization in Teams (often use to segment markets/verticals), you can add a colleague’s email directly into the Team of your choosing.
Alternatively, when you are in a Teams’ settings, you can add existing members of your organization, or simply write an email address. Your colleague will be invited to join your organization directly into the right Team.