PR professionals are vital to a business's success. They: 1. Strategize: Develop and implement PR strategies aligned with business goals. 2. Communicate: Serve as the primary communicators between the business and the public. 3. Advocate: Advocate for the business and protect its interests. 4. Analyze: Evaluate the effectiveness of PR efforts and adapt strategies as needed. 5. Educate: Educate employees and stakeholders on the importance of PR and how to support PR efforts.