LookupPrivilegeDisplayName

[DllImport("Advapi32.dll", SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]
public static extern bool LookupPrivilegeDisplayName(
   string lpSystemName,
   string lpName,
   StringBuilder lpDisplayName,
   ref uint cchDisplayName,
   out uint lpLanguageId
);

Microsoft documentation: Link