The correct choice is Amazon SNS because it supports multiple delivery protocols such as SMS and email and it lets a single publish and subscribe service push notifications to end users from distributed applications.

Amazon SNS provides native transports for SMS and email and it supports fan out to multiple endpoints so a microservices publisher can send one message and let SNS handle delivery, retries, and filtering. It also integrates with other AWS services so applications can publish events and rely on SNS to route them to phones and inboxes.

Amazon EventBridge is built for event routing and integration across AWS services and SaaS partners but it does not natively send SMS or email to end recipients.

Amazon SQS is a message queuing service that decouples components and buffers messages but it does not deliver messages directly as SMS or email to users.

Amazon SES is focused on high volume and transactional email and it does not provide SMS delivery so it cannot satisfy a requirement to send both SMS and email from the same managed service.

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