Hello, Sahnoor Alam,
Thank you for the response.
Please read this article – https://xstore.helpscoutdocs.com/article/135-request-a-quote
This feature works on single product pages only, there is no option to enable it for all pages on the site, unfortunately.
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team