About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
Hello, maybe its already been placed but probably not on the same coordinates as your working area? Try to double check on XREF manager and detach any XREF you think is that same file and see again. Hope it works.