Hi Zoheb Akhtar,
Thank you for reaching out to us on Microsoft Q&A forum.
False. While submitting a connector for Microsoft certification is one way to make it available to all users in Power Apps, Power Automate, and Logic Apps, it's not the only way. Connectors can also be shared within specific environments or organizations without undergoing the Microsoft certification process.If you are still facing any issue, please let us know in the comments. We are glad to help you.
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Thank you.