National Instruments offers the SystemLink Cloud service that allows you to communicate with the Tags and Messages APIs. More information about the SystemLink Cloud service can be found at the following url: https://www.systemlinkcloud.com/faq
Additionally the Develop Distributed Systems of the Future Using the Cloud Session from NIWeek 2016 provided a Demo that demonstrated connecting to different cloud services to publish data from LabVIEW: https://forums.ni.com/t5/LabVIEW-Web-Development/NIWeek-2016-Develop-Distributed-Systems-of-the-Futu...
I think myRIO can access cloud. I have tried with sbRIO. In my practice, i have accessed google maps, amzon web services using json datas.