Want to allow supplier user to see a quotation created by other supplier colleague

Summary:

Is it possible to allow supplier contacts to see responses created by other supplier colleague?

Content (required):

We want to allow a supplier to divide the quotation responses for negotiation having multiple lines between multiple supplier contacts. And in this case, we want to allow supplier contacts to see responses created by other supplier colleague.

Is it possible?

On our test env, supplier contact "A" cannot see the response created by supplier contact "B".

System show a text "Blind" at response number field in this case.

Are there any privileges to allow supplier contact to see responses reated by other supplier colleague?