@limin.zhang - Thanks for the question and using MS Q&A platform.
Unfortunately, you cannot pause/disable a Purview account When you create Microsoft Purview account comes with 1 Capacity unit (CU) = 25 ops/sec and 10 GB of metadata storage. Any new Microsoft Purview account will be provisioned with 1 CU with auto scale capabilities. Learn more
Note: Azure Purview is always on and you can only stop paying for Purview if you delete the Azure Purview account.
I would suggest you to provide feedback on the same:
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