Access to the company fileYou need an Octopus user with access to the company file in which Lean posts.
Customer details in orderOctopus asks for a few mandatory details for a customer. If they are missing, Octopus reports it, and you see that message on the invoice in Lean.
Pro forma stays in LeanA pro forma invoice does not go to accounting.
Exclude an entityAn invoicing entity that does not go to accounting can be excluded.