How is public relations used as a persuasive tool in communications?

The goal of public relations is to persuade the public that the company, person, brand, item, etc that they are representing is something they will approve of. All information released must go through public relations so they can monitor it and help keep a good reputation. They also help repair the image when there is bad press or gossip spread. When public relations is used in advertising it is used to make sure the ad is targeting the correct audience and that it is promoted enough through media to reach a large amount of people. Most major companies today have a public relations office used to help promote their business. The goal of public relation is to almost create a facade of how great and amazing this company is and why its better than the competitors.