Can a Cashless Debit Card cardholder withdraw cash with their Cashless Debit Card?

No.  Cash is not accessible through the Cashless Debit Card nor will cash-out work with the Cashless Debit Card at the point-of-sale.  If a Cashless Debit Card participant is receiving a refund on an item they purchased with the Cashless Debit Card, the merchant should not provide cash as a refund.