Although we are not using it, the Analytics section of Adwords says it has this feature:
"You also have control over who can log in to your account, and who can view your reports. You can easily add or remove users, and customize their access to your data."
Understandably you don't want all of your staff to see precise data on what is profitable and what is not.
We have a number of staff who create ads, and different staff that optimise those ads, and a further division that look at reports.
For the purposes of security and protecting ourselves from the mistakes of staff in training, we'd love to be able to control their access to other components of Adwords, and not just the Analytics section.
I wish, I wish...
Perhaps there is a 3rd party app that could provide this functionality?