Doctype Access for Customer Portal

How Customer Access Sales Invoice ? My Customer is unable to access any of doctype like Sales Invoice. Please Help!

Please help me for Customer.

I have portal setting for sales invoice doctype. but unable to see the Read View for the same.

unable to see the product price for the same i am attaching the snapshot


check this recent PR Enhancements to Supplier Portal by netchampfaris · Pull Request #19221 · frappe/erpnext · GitHub

you can see what changes needed to make a doctype available on the portal.