I use FamilySearch regularly and encounter restricted records all the time. These restrictions are due to agreements between FamilySearch and the archive who owns the records.
I don't believe there are any digitized records on FamilySearch restricted to the FHL only. Records can only be seen at the FHL if they're still on microfilm. What I think is actually happening is that the records are restricted to a Family History Center (FHC).
It would be helpful if you gave more precise details about what you want to view. In particular, what is the film number of the records?
Here is a map showing the locations of FHCs and "Affiliate Libraries". https://www.familysearch.org/locations/#
The map doesn't clearly distinguish between the two and has a lot of out of date data, so ring ahead before visiting a FHC.
Finally, restrictions are usually for profit motives. The records are probably available somewhere else for a fee, maybe on a website like Ancestry.com or in person at the archive. So if you can't get them on FS, there should be at least one alternative.