Searching for a "paper" related to the advertisement of often leads to two different types of documents: technical research on spectral synthesis and product-related documentation or historical promotional deals. Technical Research and iZotope Papers
The "Free Download" advertisements often referred to legitimate promotional giveaways: advertisement iZotope Iris 2 v2.02c for Mac Free Download
Version 2.02c was an update specifically for macOS 10.15 (Catalina) support. Searching for a "paper" related to the advertisement
iZotope officially discontinued Iris 2 in 2022 and it is no longer available for purchase from their main site. Support Notice for Iris 2, Breaktweaker, and Trash 2 advertisement iZotope Iris 2 v2.02c for Mac Free Download
If you are looking for specific version info for , it is primarily found in official release notes and manuals.