When you google https://docplayer.net/55377956-Maslach-burnout-inventory.html you see some of it but this is probably not the specific one you are looking for and can't comment on the permissions needed, so best to reach out to the authors for clarification.
Pamela Ransom, it is not proper to use others' intellectual property without their permission and/or a grant of license. There are numerous articles listing the items. But to use MBI, the correct steps are to acquire licenses at Mindgarden.com by either of the methods mentioned above by Olivia Hester or me.