Project managers are in charge of one or a set of projects within a company. They plan resources, handle finances, and organize the business documents related to the project. They also work directly with higher management to ensure the project has a set direction for success, and that it meets this definition of success at the completion period.
Your daily tasks as a project manager are Gathering requirements, deliverables, and timeframes from stakeholders, Agreeing on priorities with clients, Planning your resources, Creating project plans ,etc.