A product manager is responsible for the product planning and execution throughout the product lifecycle, including: gathering and prioritizing product and customer requirements, defining the product vision, and working closely with engineering, sales, marketing, and support to ensure customer satisfaction.
The product manager is responsible for ensuring that the product meets the needs of the customer, is profitable for the company, and is delivered on schedule.
A product manager typically works with a cross-functional team that includes product marketing, engineering, and user experience designers.
Here are some resources that may be helpful in learning more about the role of a product manager:
https://www.pinterest.com/pin/482092744970757585/
https://www.udemy.com/blog/product-manager-interview-questions/
https://www.kaushik.net/venkat/product-manager-role/