Yes. Net Terms Partners for US and CA can make partial payments for outstanding invoices, just as long as the amount is fulfilled in full before the invoice due date. You may do so via the method of payment available in your country.
Details for where to send the payment to can be found here.
For CA – send the payment details to ARMail@ingrammicro.ca and cc your local credit representative
Please be sure to include your Account BCN, CMP ID and the Invoice #(s) the payment is intended for.