When you deploy SAP applications with AWS Launch Wizard it now saves the CloudFormation templates and application configuration code in your S3 buckets and creates an AWS Service Catalog product when deployment is complete. This allows you to leverage Launch Wizard-generated infrastructure as code to repeat deployments with identical configuration, or customize them to meet organizational requirements. This provides a number of benefits:
Choice: Use the deployment tools (e.g. ServiceNow, Jira, CloudFormation) and processes of your choice.
Versioning: Adopt new Launch Wizard features and capabilities at your own pace.
Simplification: This launch allows you to reduce number of inputs needed for repeat deployments of the same product/pattern. For example, when deploying multiple HANA systems of same version in the same VPC and subnet, you can default these settings in AWS ServiceCatalog/AWS CloudFormation and let the end user only interact with other inputs that change from deployment to deployment.
Source:: Amazon AWS