Where to add or edit the Reward Policy?

You can edit the Reward Policy by clicking on your Name/Photo > Account Preferences > Reward Plans > Reward Policy.

Before you start editing your Reward Policy, choose the language you would like to begin with. Then, proceed to the editor and add your Reward Policy. Confirm your changes by clicking on the "Save changes" button at the bottom of this page.

You have the option to add your Reward Policy in different languages.