How do I use reviews for local SEO?

Here's how you can use reviews to aid local SEO:
Reviews can impact your business positively if you know how to use them properly. 
Responding to reviews can help you interact with your customers and give them a better service experience. 
Use the negative reviews as feedback to understand which part of your service needs improvement. 
Responding to negative reviews respectfully and professionally will increase your brand reputation and shows that you can handle frustration with professionalism. 
After reading the reviews, most of your customers invest in your product or services, so you have positive reviews that can influence purchasing decisions and generate leads.