No, this is not possible (and from an MSFT PoV not desired ;-) ) => DR to on-premise because of the service design
If you are running several services in "Brasil South" then there are some more regions
https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-support-matrix#region-support
For Brazil South, you can replicate and fail over to these regions: Brazil Southeast, South Central US, West Central US, East US, East US 2, West US, West US 2, and North Central US.