To Work while in the region, you will need to have a work permit (Autorização de Trabalho) within the Ministry of Labor. To acquire it, you should be sponsored by an employer right before moving into the region. The whole process of hiring non-Brazilians can be a quite complex job; https://theappcode.net/userinfo.php?user=rita-sawtell_451691&do=profile&name=Your_Account&action=view&op=userinfo