does I get free access of Microsoft Azure product

Read on here.
If you have a paid subscription to Microsoft 365, you also have a free Azure AD subscription. You can use Azure AD to create and manage user and group accounts. To activate this subscription, you have to complete a one-time registration. Afterward, you can access Azure AD from your Microsoft 365 admin center.
https://learn.microsoft.com/en-us/microsoft-365/enterprise/azure-integration?view=o365-worldwide#azure-ad-editions-and-microsoft-365-identity-management

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how to check if it is allowed in our Microsoft office 365 plan and its active or not

You can follow along here.
https://learn.microsoft.com/en-us/microsoft-365/compliance/use-your-free-azure-ad-subscription-in-office-365?view=o365-worldwide

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its visible there but how can I create database their in Azure

i want to create a database Create a DB in Azure SQL Database. so how can i complete this task

Glad to hear, you could close up this thread by marking answer, then open a new thread for this new question here
https://learn.microsoft.com/en-us/answers/topics/25398/azure-sql-database.html

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