We are a solution provider and the OpenVPN Access Server was one of the products that we used for our customers. It is used to create remote desktop connections into the cloud network, where people who are working from home can share resources with people in the office. When people are working in an office then they have a local network, and OpenVPN expands the network for use externally.
We are no longer using this solution because of complaints raised by our customers about security vulnerabilities. The server is now shut down.