Vaz was raised in a Goan Catholic family, the son of Julio Sebastião Vás, an employee, and Luizinha de Souza, a homemaker from Anjuna, Goa.

[2] This production also featured the dramatic troupe of Aleixinho de Candolim, providing Vaz with his first major opportunity to showcase his talents as both a singer and actor on the Konkani stage, marking a significant milestone in his career.

[4] In 1942, a theatrical group from Bombay, known as tiatrists, embarked on a tour of Goa where they were showcasing a play called Ducoulelem Calliz by Anthony Vaz.

[3] After carrying out auditions for multiple artists, the lead actor of the play Miss Julie, who was a female impersonator and held considerable authority in casting decisions, did not find any suitable candidates initially.

However, his physical appearance and skill in portraying a woman convincingly through attire and mannerisms impressed the Bombay troupes, ultimately resulting in his selection for the role.

Some of the popular tiatrs that featured Vaz in leading roles under Souzalin's direction included Osnoddcho Kistulo, Poilea Cheddeacho Baltim (First Son's Baptism), Tiklem Cheddum, Dadlo Vhodd vo Ostori (Is Man Great or Woman?

In addition to his collaborations with Souzalin, Vaz also performed in productions directed by other leading Konkani theatre figures of the era, such as Saib Rocha, C. Alvares, A. M. B.

[2] Vaz earned the reputation as the "Prince of Female Roles", which many directors bestowed the title upon him, due to his ability to convincingly embody and depict women on stage.

Vaz's transformations into women were so complete and authentic that it was challenging for audiences to discern that he was a male actor, as his movements, voice, and overall presentation all exuded a convincingly feminine quality.

[4] In addition to his acting endeavors, Vaz was involved in the creation and production of several tiatr performances that he wrote and staged himself, including Visvaxi Ghorcarn (Trustful Housewife), Anv Matari (Me, the Old lady), Devak Dennem (God's Gift), Mhaka Dhor (Catch Me), Khoxe Bhair Kazar (Marriage out of Happiness), Hoklechi Khoxi (Bride's Wish), Atam Konn Kazar Zait?

Vaz demonstrated his multifaceted talents through directing the tiatr production Auntychea Roomant (In Aunty's Room), in addition to this, he was known for composing various songs, and showcasing his singing abilities.

His musical compositions were recorded by Gramophone Company India, featuring well-known tracks like "Cheddvank Ollkonk" and "Kazar Zain Dista".

[2] As noted by Konkani writer Tomazinho Cardozo, he highlighted the difficulty artists faced in supporting their families solely through performances in tiatr during that era.

Even though Vaz could no longer actively participate in productions, he remained engaged with the art form, discussing tiatrs through his thoughts and insights until his death.