If you have chosen to bill weekly, monthly or annually and have noticed that your members are not auto-renewed, or billed in each cycle, then this article helps to explain why
If you have chosen to bill weekly, monthly or annually and have noticed that your members are not auto-renewing (having their orders regenerated for each billing cycle) then it's likely that you have not enabled the 'auto-renew' setting in your product settings.
You can find this setting under the product 'Billing and renewals' tab in your Product settings:
Home > Settings > Products
For more help on how to setup your product billing, read our help article here