cSys Pdf AutoSave Premium 2019
PDF AutoSave saves the copy of the Autodesk® Inventor® drawing automatically to PDF during Save command. There are multiple options for filenaming and save location.
See detailed information here: www.codesystems.fi/products/?product=cSysPdfAutoSavePremium
Note! PDF AutoSave works only when drawing is saved after modification. So it does not make a PDF if drawing has not changed.