I tried to go to the rewards by following the Visit AGL Rewards link:
Then I was taken to the following page:
Then I was taken back to my account page.
I rang the customer service but they didn't help at all. I said I could never access the rewards, not a few months, not today, never. But they still asked me to try it again a few days later.
Welcome to the Community!
We are aware of these issues, and we've put together a troubleshooting guide here: AGL Rewards - unavailability in My Account