You can discover and access online CAD and BIM files in ArcGIS Pro using a BIM cloud connection. Using the BIM Cloud Connection button 
, you can connect to an online design file cloud storage repository, such as Autodesk BIM 360, or the Autodesk Construction Cloud.
A BIM cloud connection supports CAD files (DGN, DWG, and DXF) and BIM files (RVT and IFC).