Devin Knight has a video for us:
Power Virtual Agents empowers subject matter experts to build intelligent conversational bots, using a guided, no-code graphical interface. In this video you will learn how to monitor how successful your chatbots are at answering your users questions. Using the monitoring capability you will uncover areas of your chatbot that can be improved.
If I were familiar enough with Latin, I’d try a play on “Quis custodiet ipsos custodes?” with this.