Hey there. You can claim your rewards on the [url=https://www.bungie.net/7/en/Seasons/PreviousSeason]Previous and Current Season Pass page[/url]. You may need to click your platform ID and then click your platform ID again for it to load correctly.
If you're having issues, you may want to try the following:
- Clear your browser's cookies and cache and try again
- Open an incognito private window and try again
- Use another browser and try again
- Try the official Destiny Companion app