Thank you for the licensing question, reviewing the specific considerations listed on page https://aws.amazon.com/windows/faq/, which states
What are the use cases for SQL Server Web Edition?
The Service Provider Use Rights (SPUR) state that SQL Server Web may be used to support public and Internet accessible web pages, web sites, web applications and web services. SQL Server Web may not be used to support line of business applications (e.g., Customer Relationship Management, Enterprise Resource Management and other similar applications). For addition information on use cases for SQL Server Web, please consult Microsoft or your Microsoft reseller.
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