In addition to her artistic endeavors, Matos is a dedicated activist and advocate for social causes. She has been involved with various organizations, including the Brazilian LGBTQ+ rights group, Grupo Dignidade, and the environmental organization, Greenpeace.
Monica Matos had not invented a new Brazil. She had simply remembered the old one, the one that galloped, breathed, and dreamed in the dark, beating its four-hoofed heart in perfect rhythm with the cavalo —the silent, powerful soul of a nation.
Unlike many contemporary performers who remained confined to underground adult distribution networks, Mattos achieved widespread mainstream recognition in Brazil. She frequently appeared on major television networks, variety shows, and celebrity gossip programs like TV Fama , transforming her into a recognizable pop culture personality. The Reality Behind the Internet Search Phenomenon: "Cavalo"