hello user belong to Sales /create all leads and can't create sale order for other Salesperson
admin user can create sale orders of other salesperson
There is ir.rule
object for this. You should delete it (or change).
I don't have OpenERP code now but I hope you will know which ir.rule
you should change. It has model sale.order
and group Sales /create all leads
. Propably there is similiar ir.rule
for sale.order.line
.