There is a diffenrence difference in how MLCS configurations are displayed between Server / Data Center instance instances and Cloud istanceistances.
Server / Data Center
In a Server / Data Center instance instances you can find the MLCS configuration in the Issue settings. To show the configuration, Custom Fields, click the wheel on the top right corner and click on Issues. Then, click on Custom fields to show a list of your custom fields. Click on the three dots and choose Configure context. The configuration will be shown unther the voice “Options:”, here is an example:
...