Once you complete all three main Chapters of Season IX, you'll have access to the Reward section of the in-game Store. There, you can spend your Battle Pass Points earned throughout the Season on the following rewards:
The Reward section of the in-game Store will be available until November 29, 2022, at 22:00 PST | November 30, 2022, at 00:00 CST | 01:00 EST.
You can obtain the Improved Pass for any Season IX Chapter (worth 2,500 gold) in various ways: on the Battle Pass screen in your Garage, in the in-game Store, or as part of a special bundle in the Premium Shop. You can purchase the Improved Pass for more than one Chapter at a time. Make sure to come back to any Chapters you paused, or you might miss out on rewards.