Afaik reports are not federated yet, so mods from other instances won’t get report notifications, but otherwise the same tools are available for them. So possible, but limited.

Skype for business was not skype, it was lync, they just renamed it after the acquisition https://en.wikipedia.org/wiki/Skype_for_Business

Don’t use .local as an internal domain it can cause problems. Use .internal, it was recently reserved for this purpose