A Saideira at Sao Paulo - Guarulhos (GRU) is a restaurant open to all passengers. This location offers a USD $32 credit (approximately R$174.40) to holders of Visa Infinite credit cards with Visa Airport Companion/DragonPass (cards issued in Brazil only.)
To redeem the credit, open the Visa Airport Companion, search for Sao Paulo - Guarulhos (GRU), select A Saideira, then present the generated voucher to your server. Any expenses above and beyond the credit will be charged separately.