On Windows, there isn't a ton of difference between desktop and server, and we already have support for desktop.
It was mainly a QA exercise.
Linux is a lot more complicated in that regard, given the variety of kernels and components in play.
Given the larger roadmap, I think I can safely say there will be some protection components on Linux.
What exactly those will look like remains to be seen.
FYI, there's already SandBlast Agent for Browsers on Chromebooks: SandBlast for Education | Check Point Software
And, as you're probably aware, ChromeOS isn't that far from Linux.
You can already tap into various APIs (e.g. Threat Prevention) from any system capable of making a REST API call.