Pavithra first appeared in a small role in Mani Ratnam's O Kadhal Kanmani (2015), featuring as a colleague of Dulquer Salmaan's lead character.
She continued working as a model, notably winning the Miss Madras 2015 and Queen of India 2016 pageants.
[3] Pavithra appeared in four films in 2022, with AGS Entertainment's comedy drama Naai Sekar being her biggest release.
Paired opposite Sathish, she won positive reviews for her portrayal, with a critic from The New Indian Express noting "though she doesn't get enough scenes to help us understand the character deeper, Pavithra does what was required of her with ease".
[4][5] She later featured in the coming-of-age Malayalam film Ullasam opposite Shane Nigam, and the bilingual drama Yugi, alongside an ensemble cast.