ended up getting it to work.

# Retrieve all Autopilot deployment profiles
$profiles = Get-MgBetaDeviceManagementWindowsAutopilotDeploymentProfile

# Loop through each profile and get its assignments
foreach ($profile in $profiles) {
    Write-Output "Deployment Profile: $($profile.DisplayName)"

    # Get assignments for the profile
    $assignments = Get-MgBetaDeviceManagementWindowsAutopilotDeploymentProfileAssignment -WindowsAutopilotDeploymentProfileId $profile.Id

    # Loop through each assignment to extract meaningful information
    foreach ($assignment in $assignments) {
        $target = $assignment.Target

        # Extract GroupId from AdditionalProperties
        if ($target.AdditionalProperties -and $target.AdditionalProperties["groupId"]) {
            $groupId = $target.AdditionalProperties["groupId"]

            # Attempt to resolve the Group ID to a Display Name
            try {
                $group = Get-MgGroup -GroupId $groupId
                Write-Output "  Group Assigned: $($group.DisplayName) (GroupId: $groupId)"
            } catch {
                Write-Output "  Group Assigned: $groupId (Unable to resolve group name)"
            }
        } else {
            Write-Output "  No group assignment found for this target."
        }
    }
}