The Bella Seat license authorizes use of the Bella GUI, CLI, and any desired plugin(s), on one machine, at any given time.
Licenses are not locked to any particular machine, nor to any particular operating system, allowing for hassle-free assignment of licenses to the various artists you may have in your organization.
Each license perpetually authorizes use of any version of Bella built within one year from the date of purchase. Licenses may be renewed at a 50% discount within 1 year from expiration, 25% discount within 2 years.
Additionally, note that the Seat license includes 5 free Node licenses, for rendering with Bella on up to 5 additional machines.