How to setup the DFF of the Business Classification? Is it updatable in Supplier Portal as well?

Summary:

I need to activate the DFF of the Business Classification and the custom fileds of the DFFF should be updatable by the supplier in Supplier Portal.

Is it possible?

Content (required):

Purchasing - Supplier Portal

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):