Paavam Poornima offers a compelling narrative that balances emotional depth with social commentary. The screenplay is structured to gradually build tension, with a steady pacing that keeps the audience engaged throughout. The first half effectively sets up the characters and their motivations, while the second half delves deeper into the consequences of their choices, culminating in a satisfying resolution.

The film's direction by Balu Kiriyath ensures that the story remains grounded, with performances that bring authenticity to the characters. Although the movie lacks a credited music director, the background score and songs, where present, complement the mood without overpowering the narrative. The cinematography by Ashok Chowdhary captures the essence of the era and setting, enhancing the overall viewing experience.

While the film may feel slightly dated to contemporary audiences, its emotional core and strong performances make it a memorable entry in Malayalam cinema of the 1980s. The pacing is generally consistent, though some scenes could have benefited from tighter editing to maintain momentum.

Mammootty: Delivering a nuanced portrayal, Mammootty brings depth and sincerity to his role, effectively conveying the internal conflicts of his character.

Menaka Suresh: Menaka's portrayal of Poornima is heartfelt and convincing, capturing the innocence and vulnerability central to the film's emotional impact.

Mohanlal: Mohanlal provides a strong supporting performance, adding complexity and charm to his character that balances the narrative.

Sukumari: Sukumari delivers a solid performance, enriching the film with her experience and presence.

Innocent: Innocent offers moments of lightness and humor, contributing to the film's emotional range.

Adoor Bhasi: Adoor Bhasi's role, though limited, is impactful and memorable.