3 Monitor Support on Chrome OS
As DisplayLink support is not embedded in the ChromeOS 51 build and later, you should add 3+ monitor support for ChromeOS. At this point someone would only be able to run it off of a Chromebook/Chromebox with higher ram (8-16GB+). But adding this support would mean A LOT more business use cases being satisfied.
DisplayLink imposes no limit on the number of DisplayLink enabled displays that can be connected on Chrome OS from R51 onwards.
Any limitations found will be OS restrictions rather than something added by DisplayLink.