I think this just means that S - E is providing an early copy / exclusive demo for them to display. (neogaf.com)
We're inviting you, to our Delhi and Bengaluru offices, for exclusive demos of our products and services. (gizcentral.com)
For the purposes of the beta, this episode included content already available on the PS Store, but future instalments will include exclusive demos and DLC available only to FirstPlay viewers. (ps3attitude.com)