Yes: the developer playground at falkster.ai/developers/playground shows the surface today, and waitlist access gets you a real install to run against real work. Judge her on your questions, not our demo script.
Demos of memory products mislead in both directions: a staged brain looks magical, an empty one looks dumb. The honest evaluation is a few weeks against your actual channels and meetings.
Bring a hard question from last quarter to the evaluation, one that took a person an hour to reconstruct. That is the bar that matters.