this is functionality is not in the IPAM. Anyway, you may see What we are working on post IPAM 2.0and you can find out that we want to add the User Delegation feature. Does this resolve your problem (you may create more groups/users with different privileges) or you would still need an "audit reporting"?
We basically just want the ability to give certain users/groups permission to edit IP address details only.
We assign our static IP's by marking an IP address as used in IPAM.
The role above Read Only which is Operators is able to do this but they are also able to:
This is more permission than they need so if the roles are not going to be delegated further then we need auditing within IPAM