Hi @MahmudurRahman3!
Thank you for reaching out to us!
I understand that you would like to add your customer’s positive reviews about your website.
You are welcome to do so as long as the reviews are from a reputable third-party source; you may paraphrase or use direct quotes from the said source with a review extension. For more information on setting up a review extension, you may click here. Please do take note that these reviews must also align with our ad extension policies.
If you have any further questions, please do let me know so that I may provide more assistance.
Thank you,
Tatiana | Microsoft Advertising Support Specialist | 800-518-5689