Hi @Praneeth Gujja ,
you can have a look at the documentation here : https://support.atlassian.com/migration/docs/plan-your-bitbucket-server-to-cloud-migration/
Basically, today it's not possible to migrate the commit history, project permissions etc to Bitbucket Cloud : this means that only the repository will be migrated, you will have to re-create all users, permissions after.
To migrate the repositories, you can just push the code to the newly create Bitbucket cloud repo.
Let me know if this helps,
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