Conditions of reward availability for customers:

1. Campaign must be Active
2. Campaign must be Visible (if visibility is limited in time)
3. Customer is assigned to Segment/Level which are selected in Reward Campaign configuration
4. There are available coupon codes (non used) for the campaign or campaign is not limited with single coupon code
5. If there is option to limit coupon per campaign then reward is available when usage count is below limit
6. If there is option to limit coupon per user then reward is available when usage count is be-low limit