Is it possible to pre-load points into 123, link them to a drop down menu that once selected will change the map view relative to that point?? Script?
Yes, it is possible to calculate the locations based on a dropdown. Geopoints receive a string that consists of <latitude>_<longitude>_<altitude>_<accuracy>, with the altitude and accuracy components optional. See Geopoints—Survey123 for ArcGIS | ArcGIS for more information, as well as the following samples available in Survey123 Connect:
Retrieving data ...