According to the information found in the manual of the software, you will need an ID, a password, and a server address (usually located on the local network) in order to connect. This is just a client utility that connects to another database.
As recommended in the manual file, the local administrator that manages the server can create and provide the necessary information on how to connect.
Additionally, use the following link to download the manual provided by the developers: http://pnl.setupdocs.com/wp-content/uploads/Encompass360Setup.pdf