Visa requirements for Afghan citizens are administrative entry restrictions by the authorities of other states placed on citizens of Afghanistan. As of 1 January 2017, Afghan citizens had visa-free or visa on arrival access to 20 countries and territories, ranking the Afghan passport 104th in terms of travel freedom (Lowest of all passports) according to the Henley visa restrictions index.

Based on that paragraph can we conclude that this sentence is true?
Afghan citizens are able to travel to Canada with a visa.
It's impossible to say