It's been asked and answered many times, and the answer is the same as it always is, Brazilian citizens only in commercial aviation.
If you are Portuguese there is a fast track to citizenship that takes 2-3 years. If you are any other nationality expect to wait around five years from your current situation.
A search will give you plenty of threads about this, nothing has changed in recent years and even the proposed opening up to foreign owners won't change the pilot position.