Debut and career expansion (2015–2018) Sayyeshaa made her film debut in 2015 with the Telugu film
Akhil. She portrayed a medical student opposite
Akhil Akkineni. The film was a commercial failure.
Times of India noted, "Sayyeshaa is a surprise even though she isn’t given much to do. She emotes really well and dances like a dream." She received
SIIMA Award for Best Female Debut – Telugu nomination for the film. She made her Hindi film debut opposite
Ajay Devgn in his second directorial film
Shivaay. She portrayed an IFS officer. It was commercially unsuccessful but ran for more than 50 days at the box office.
Bollywood Hungama stated, "Sayyeshaa does justice to her character." While
Times of India termed her performance "decent". She received a
Stardust Award for Superstar of Tomorrow – Female nomination for her performance. In 2017, she made her Tamil film debut with
Vanamagan. She portrayed a businesswoman opposite
Jayam Ravi.
Deccan Chronicle stated, "Sayyeshaa looks ravishing and she steals the show with her effortless performance." Sayyeshaa had three releases in 2018. She first appeared opposite
Karthi in
Kadaikutty Singam. It was a box-office success.
Deccan Chronicle mentioned, "Sayyeshaa looks beautiful and hogs the limelight despite limited scope." Next, she appeared in
Junga opposite
Vijay Sethupathi.
Hindustan Times noted, "Sayyeshaa looks gorgeous, her role is minimal but she has done it well." She next appeared in
Ghajinikanth, a remake of the Telugu film
Bhale Bhale Magadivoy. She portrayed a Kuchupudi dancer opposite
Arya.
Sify mentioned, "Sayyeshaa looks super gorgeous. The actress scores well with her cute expressions and energetic moves."
Further career and recent work (2019–present) Sayyeshaa portrayed PM's press secretary opposite
Suriya in the 2019 film
Kaappaan. It also starred
Mohanlal, and Arya. It was a commercial success.
The Week termed her role as a "better fleshed out character". Sayyeshaa had two releases in 2021. She first portrayed a college student opposite Arya in
Teddy. It released on
Disney+ Hotstar.
India Today stated, "Arya's chemistry with Sayyeshaa has worked really well. It makes you root for both the characters." She made her Kannada film debut with
Yuvarathnaa opposite
Puneeth Rajkumar. She portrayed a lecturer in this commercially successful film.
The Hans India wrote, "Sayyeshaa has limited screen space but she looks gorgeous in those brief moments." In 2023, Sayyeshaa made a special appearance in the song "Raawadi" for the Tamil film
Pathu Thala starring
Silambarasan. == Media image ==