You are eligible to appeal — visa refusal of family class
A person who has filed in the prescribed manner an application to sponsor a foreign national as a member of the family class may appeal to the Immigration Appeal Division against a decision not to issue the foreign national a permanent resident visa. It includes cases where the sponsorship of a parent, grandparent, child, minor orphaned brother or sister or a spouse has been refused by a visa officer.
You are eligible to appeal — visa and removal order
A foreign national who holds a permanent resident visa may appeal to the Immigration Appeal Division against a decision at an examination or admissibility hearing to make a removal order against them. It includes cases in which a removal order has been made against a permanent resident of Canada who is being deported because of a criminal conviction.