Flying in Brazil - Fees and paperwork?

Looking towards my flight next year and trying to sort out flying in Brasil. It seems there are fees for everything but I cant quite sort out what they are ahead of time. Any locals able to give me some guidance?

https://aeromagazine.uol.com.br/artigo/tarifas-aeronauticas_764.html
Google translate this page and you have a picture of tax in brasil.