"Positive portrayals" refers to the representation or description of people, things, or situations in a positive and favorable light. It means showing or presenting them in a good, optimistic, or uplifting way. Full definition
Selection criteria should include positive portrayal of racial and ethnic groups. (ascd.org)
The screenplay couldn't promote a less positive portrayal of females if it tried, which is disappointing to say the least. (hoopla.nu)
It has also received positive reviews for some amazing performances and action scenes, along with a predominantly black cast, positive portrayal of African culture and progressive values. (indianexpress.com)