If you can manage all marketing relations activities like strategy, goals, budget, tactics. Then public relations manager job is for you.
The public relations manager or public relations department manager is specifically responsible for managing the organization's communication initiatives with media professionals. Her responsibilities are to oversee a team of public relations professionals and delegate tasks, create or edit press releases prior to publication, and help her company hold press conferences and other events. Includes doing.
It’s a must without practical experience you cannot move in the career. So doing an internship will be always helpful for you to know and understand the pros and cons of the field. It will help to get the hands on skills.
https://www.edx.org/learn/business-administration