To change rights of who can and who cannot create issues via The Scheduler add-on please follow the below steps:
Please note that to perform the below actions you must be granted with Project Admin rights.
From the "Projects" drop-down menu (1) please select a desired project, in which you plan to amend or add new permissions for a scheduled issues management. After that please scroll down and access "Project Settings" (2).
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On a newly loaded panel on the left hand go to "Apps" (11↓):
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then "Scheduler Access Management" (2↓):
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Finally you will see:
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The Scheduler Access Management gives you a chance to allow or forbid in an exactly the same manner as standard JIRA permissions to manage issues. By default every project admin has full rights in this add-on. To add additional Project Roles (1↑), Groups (2↑2↑) or just Single Users (3↖) please review the presented above graphic.
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