The polygons journey: SHAPE -> FME (clipped) -> MSSQL Spatial
Viewing it in SQL Managment Studio (checking with STIsValid()):
Viewing it i ArcGIS PRO:
Converting GEOM.STAsText() in MS Mgmnt Studio and importing to layer i ArcGIS Pro using arcpy:
Has it to do with how ArcGIS Pro renders multipolygons from MSSQL, or is it that my data is corrupt?