The steps, in order, with nothing implied that Koovira does not do.
Four or five steps, and what each one actually does.
Answered plainly, including the things Koovira does not do.
No. Leads, contact details, notes and pipeline data are private to your business account and its permissions. Nothing on this public page exposes them.
No. It is part of your Koovira merchant account.
Yes, with the department and role permissions you already set on your account.