If the credits renewing does not align with the billing date, then the FAQ is telling the wrong thing. https://helpx.adobe.com/au/firefly/using/generative-credits-faq.html When do my generative credits renew?
For customers with a paid subscription, generative credits renew each month based on the plan’s initial billing date (For example, if the plan started on the 15th of the month, the credits would renew on the 15th of each month).
For Free users without a paid subscription, generative credits are allocated upon the first-time use of a Firefly-powered feature.
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