The Executive Dashboard is a new feature, which we introduced in our latest release 2019.3.1002 and we are happy to hear your feedback and suggestions for improvements. As you have already discovered, the server bindings are by localhost, IP:127.0.0.1 and by the NETBIOS name and currently there is no way to configure the bindings as of now. This is a valid request and I created a public feature request from your behalf for our team to investigate and plan for future releases.
My experience with this feature shows that I can access the Executive Dashboard, hosted on another machne, by its NETBIOS name without any troubles. For this to work, though, the machines need to be in the same network and "see" each other. Also, you need to make sure that the configured port is open.
Please check the above details and conditions and let me know if there is still an issue with accessing the Executive Dashboard from another machine in the network. I will do my best to help you find a solution, if you can share more details about the environment and network specifics.