Go to Quote Settings -> Advanced Settings
Select this option "Show RFQ app in page" to enable the feature
Then go to your Online Store -> Navigation
Choose Menu (or add new Menu) you want to add Request For Quote page.
Click add menu item
Then input this link: <Your Shopify URL>/apps/request-a-quote.
For example: If your Shopify store is: beautystoreA.myshopify.com, you fill this link in form: https://beautystoreA.myshopify.com/apps/request-a-quote
Then save the page name.
Click Add button to save
Back to storefront to check the RFQ in separate page. You can search, add, and edit quote info in the page before submitting the quote