For the largest ERP providers, like SAP, Oracle, and Microsoft blockchains were not part of their core functionality.
As for their use, as far as I can see, these implementations didn't make it further than pilot programs. For example, in food supply some grocers used it to track a few products for a while. But these implementations largely died off.
This can be seen by searching the FDA's website for blockchain. The last article is dated 2022.
https://www.fda.gov/search?s=blockchain