Is there a way to globally define the multimeasure rest’s bar number region’s position as shown in the screenshot, i.e. just like normal bar numbers?

If not, this would be a feature request.
Is there a way to globally define the multimeasure rest’s bar number region’s position as shown in the screenshot, i.e. just like normal bar numbers?

If not, this would be a feature request.
No, there’s no way to do this at present.