You cannot run Inventor portably, but you can and carry it between your own personal computers (not random machines).
The portable version of Autodesk Inventor offers several benefits: download autodesk inventor portable
Q: Will Autodesk Inventor portable work with all third-party plugins? A: A portable version of Autodesk Inventor may not be compatible with all third-party plugins. Check compatibility before using the software. You cannot run Inventor portably, but you can