An entitlement process is a feature that allows you to define and enforce service-level agreements (SLAs) for your customers based on certain criteria and timelines. An entitlement process consists of milestones and actions that represent required steps and time limits for resolving customer issues. You can use entitlement processes to track if your support team is meeting your SLAs and provide consistent service quality to your customers. In this case, you can set up and configure entitlement processes for different types of cases and assign them to accounts or contacts based on their service contracts or warranties. Reference: https://help.salesforce.com/s/articleView?id=sf.entitlements_overview.htm&type=5 https://help.salesforce.com/s/articleView?id=sf.entitlements_process.htm&type=5

To use outbound change sets, a user needs to have the Create and Upload Change Sets permission on their profile or permission set. This permission allows users to create change sets in a sandbox or Developer Edition organization and upload them to another organization. References:
https://help.salesforce.com/s/articleView?id=sf.changesets_create_upload_perm.htm&type=5