Checks if benefits can currently be redeemed.
To be redeemed, a benefit's pool must be active and the associated balance must be greater than the cost of the benefit.
Each benefit is checked independently. For example, if there is a benefit with a price of 3 credits and a benefit with a price of 4 credits, and there are 5 available credits, both benefits would be returned as eligible, but they can't both be redeemed.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.