It's another app. Go to Arri's site and download it.
I use this one when I want to export the metadata.
On Arriraw converter I can see it but I never try to
Regarding the ALE file,
when shooting in arriraw if I'm not mistaken it's not like if you were shooting in ProRes, which generates an ALE and XML from that reel.
To have an ALE file from arriraw footage, you have to have a sequence of that footage in order to be able to export an ALE...as a DIT I use DaVinci Resolve, but I think you can also do it on Premiere. Don't know if FCP does it.