As of April 13, 2018, you will no longer be able to reload Canadian Dollars directly onto your AC conversion card. This change will not affect your ability to load any of the other supported currencies.
After April 13, 2018, you will still be able access the Canadian Dollar wallet for unloads, ATM withdrawals, wallet transfers, and point of sale or online purchases.
CIBC allows you to load up this prepaid card using your credit card (Visa or Mastercard only) to obtain other currencies. You add them to your card and the website will show you how much your desired currency will cost in Canadian dollars. You could then withdraw from the ATM for free (up to $400 per day).
It was an easy way to meet the minimum spending (for some people that took advantage of this).
Some cards now bill this as a cash advance!