Hello Cristian.
Yes, in Brazil MS Azure have 2 pair of region, but not same to replication.
for your understand better, I recommend theses documents>
https://azure.microsoft.com/pt-br/explore/global-infrastructure/geographies/#overview
https://azure.microsoft.com/en-us/explore/global-infrastructure/data-residency/#overview
I hope this is help you to understand.
If help, please, dont forget to upvote.
Regards.