Is using Google Maps layers in Survey123 allowed by Google's TOS? I know that they do not allow it for webmaps (ArcGIS Online or Server).
I am not sure if it is allowed in Survey123.
Esri has Google maps tiles listed in the following link: http://doc.arcgis.com/en/survey123/desktop/create-surveys/includemap.htm#GUID-31B9C45D-8D07-4F0F-A33D-6C0664501D5C
I have looked over Google's TOS before, (Link), and I believe the answer to my question is no. The snippet below is from Section 3 item e.