As per Azul Airlines cancellation policy, you will need to pay cancellation fees for cancellations after the risk-free window.
Cancellation costs are assessed by the airline based on ticket category, cancellation mode, booking mode and cancellation terms.
The passenger will need to pay most of the ticket fare, as Azul Airlines charges for canceling a ticket scheduled on the same day of departure.
Passengers flying with promotional tickets cannot cancel, in accordance with Azul Airlines cancellation policy. They can modify the departure date by contacting the authorities.
You will need to pay the full ticket fee as cancellation fees if booking through third party agents.