In order to log into the Absorb Academy, you must do so through your portal's Admin UI. From the Help & Support drop down menu, you will want to select the Absorb Academy button. This will automatically log you in via SSO.
Please Note: it is not currently possible to log in directly through the Absorb Academy login page with your regular credentials. If you are having trouble accessing the Academy through your portal's Help & Support menu, please open a ticket with Support.