Hello,
Don't panic, not last version
FastReport provides open source report generator for .NET Core 2.x/.Net Framework 4.x. You can use the FastReport in MVC, Web API applications.
https://github.com/FastReports/FastReport
Currently, Hyberserver work as web garden, which means it can have multiple instances on same server.
As roadmap state, on unigui version 2, it will support web farm, which mean you host the application on multiple servers.
http://forums.unigui.com/index.php?/topic/11969-unigui-roadmap-2019/