Is there any why to secure the WebADI upload process in Product Data Hub to only a specific user gro

We use Oracle Product Data Hub and have a few users that have been trained on the WebADI process for updating items. They run and advance item search, get the spreadsheet output, make any changes they need, and then process the records back.  The process works well, but we are worried too many people will find out about this and the process will get into the wrong hands and cause more problems than it is worth.  Is there any way we can secure this process so only select users can make changes?  We still would like them to be able to extract