I assume you're talking about integrating the Azure Active Directory with Jira Server, I'm right?
You can take a look at the following article on how to achieve it:
If we misunderstood the topic, can you please explain a little bit more on what you're trying to achieve?
You can use our plugin here to solve this. Once you enable SSO with Azure AD, everything should work seamlessly as you expected.
This is our FREE plugin. You dont have to buy anything here.
Also this is supported officially by Microsoft. I am a PM on the Microsoft side managing this plugin.
As @Henrique Bittencourt mentions, you can use SAML to get Office365 / AzureAD login to Jira. There exist also cloud user provisioning tools helping you get Office365 / AzureAD as a synchronized user repository in Jira.
We at Kantega SSO are one of the marketplace vendors with add-ons and guides for such an integration. Our AzureAD / Office365 guides show you how to:
Have a nice weekend!