I find it hard to see how something published for all to see in the planning application, as you have made clear in your post, is in any way hidden from the public.
Yuns da reference number for the official planning application, you can fin it here : https://pa.shetland.gov.uk/online-applications/
Decided to delete my follow up rant about how many folk these days bang on about "the man" doing everything behind closed doors when they've never been more open or easy to look through