Plus, Corona added a Scanned Material preset quite some time ago. The main difference is that you needed to download them from the Chaos web site. When you do import one, they are saved to your computer in a folder called "Chaos Scanned Materials", but you can move them anywhere and load them from a remote drive like I have set up.
You can do basic appearance changes to the material once you have imported it, such as the color and reflectivity for examples. Those materials also are designed to work with a proper UVW setup. I suck at that, so many times I switch to Cube and scale as needed. Works for me.
Tom what do you mean by Premium?
Corona comes in two versions, Solo and Premium:
https://www.chaos.com/corona#pricingWhere Premium has Phoenix, Scans, Player, etc. I am a bit confused as how you can not know which version of Corona you are using :O
The Scanned Material is not a "main difference", that is how to access Scans right now, going to the website, downloading, loading into the Scanned Material. This applies to both Solo and Premium (ie even with a Scans license, this is how you access Scans). This makes Scans hard to find - I am sure a lot of people don't even know they exist - and makes them hard to use with this visiting a website, downloading and saving, then manually loading it into the material. Which is why moving them to Cosmos will make a major difference :) Easy to find, AND easy to use!