Opt in feature Procure Goods and Services Using the Responsive Self Service Procurement Application

Summary:

Enabling Opt-in feature Procure Goods and Services Using the Responsive Self Service Procurement Application

Content (please ensure you mask any confidential information):

1. Once the opt in feature "Procure Goods and Services Using the Responsive Self Service Procurement Application" is enabled in any instance, Can it be reverted back to the classic UI again or its a permanent change for the specific instance?

2. Can both Classic and New responsive self service application be used simultaneously?

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

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