AP Invoice Validation - R12

Hi,

Please can someone help with the following 2 queries:

1. I can't see invoice validation as a 'function'. Is someone able to confirm this?

We want some responsibilities to be able to do online validation. To achieve this, we need to set the allow online validation payables option as 'Yes'. I was trying to use functional exclusion for other responsibilities but am not able to find it as a function. I can see 'Action' as a function. Excluding 'action' almost works (we loose more than just validate) but the 'validate' option is also available at the 'batch' level. (we use invoice batching).