I don't think there are any unusual numbers of complaints in those reports. Accessibility is a fairly broad topic; it includes accessibility for people with disabilities, as well as accessibility for ordinary Canadians who find the distance may be too long to get to the polls. That's one key area of work for the next election: to reduce the travel distance for Canadians going to the polls, in particular in rural areas.
On April 24th, 2018. See this statement in context.