Can I populate a dropdown in Forms with a users team members from Azure AD?

Hi,

I am using Forms and Flow to transform traditional paper processes from paper to electronic.

I use single sign-on so staff are using their Azure AD credentials (which is synced up from our on-prem AD).

Is it possible to populate a dropdown in a form with a users team members pulled from Azure AD?

Or indeed prepopulate the form with any data from Azure AD or any other external source?

Thanks you for your time,

Ollie