Looks like integration has happened - can use points to book Mantra hotels:
Mantra Midtown Brisbane
For 1 adult
3 nights
From Jan 9th 2020 to Jan 12th 2020
Your choice
x 1
- 1 Bedroom Apartment
FLEXIBLE RATE BB
Total price 594.00 AUD
Or with your 18000 Rewards points
12.31 AUD