This guide demonstrates how to send data between ROS2 and Labview. Topics covered include pub/sub with primitive data types, arrays and clusters. I have not tested deployment on RT targets such as the Myrio or Compactrio but I am certain it is possible, as the RTI DDS toolkit supports deployment on RT targets.
This guide relies on the following example programs. Please download them. :)
https://github.com/SynapseProgramming/ros2labview_lvprograms