If you have created your own Apple Developer or Google Play Developer account and provided us Administrator access, there is no need to reply to any messages receive concerning the review of your app. Our Submissions team receives the same messages and will manage the follow up on your behalf.
Please note that from time to time Apple and Google will send you messages about app compliance and future development requirements. Again, our team will receive the same messages and ensure that the apps we develop conform to any updated requirements.
Rest easy - we've got this!