It's a pro feature.


1.Visit >Woocommerce>Phone Orders>Settings>"Run at frontend" and mark first  checkbox, probably you have  to mark both "hide xx" options too . 

2.  Use plugin https://wordpress.org/plugins/user-role-editor/ to create new role 

3.  Add capabilities "manage_woocommerce_phone_orders" , "edit_shop_orders" for this role.

Your users should visit http://yoursite.com/phone-orders-frontend-page  ( this url is editable).


If you will sale  complex products:

1. Use  code from  this section 

2. Visit >Woocommerce>Phone Orders>Settings>"Run at frontend" and mark  checkbox "Allow to configure product"

3. Visit http://yoursite.com/phone-orders-frontend-page ,  select  product and use button "Configure Product"