Hello, Asha.
Welcome to Microsoft Community. We will be glad to assist you with your inquiry.
We understand you approved the AZ-304 Exam and want to achieve the Microsoft Certified: Azure Solutions Architect Expert.
Please keep in mind that the Exam is one of the two conditions to be certified as a Microsoft Certified: Azure Solutions Architect Expert.
The required Exams for this Certification are the following:
Exam AZ-303: Microsoft Azure Architect Technologies.
Exam AZ-304: Microsoft Azure Architect Design.

The passed exams will be listed in your Transcript and are eligible to be displayed as Microsoft Badges, the Microsoft Certified: “Azure Solutions Architect Expert” Certification will be received once all exams and prerequisites are completed.
You can review your Transcript and Badges by accessing your Microsoft Certification Dashboard and selecting the respective option.
Please keep in mind that once you have earned the Certification, this one will be valid for one year.
If this solves your problem, please indicate “Yes” to the question and the thread will automatically be closed and locked. In case we do not receive a response, it will be closed and locked after one business day.
Best wishes,