Is the Accessibility Overlay hosted on-premise by your company or can it be hosted on an ELC server? If it needs to be hosted on-premise is it hosted via Cloud or on a physical company server?

Is the Accessibility Overlay hosted on-premise by your company or can it be hosted on an ELC server? If it needs to be hosted on-premise is it hosted via Cloud or on a physical company server?

The main activity is by using our SaaS environment.
We do support On-Premise but as Microsoft partners we prefer the customer to use Microsoft Azure private cloud if available.