If I understand the question correctly, you want to know whether a citizen is able to participate in the CRTC processes and make submissions. The answer is yes.
Of course, I recognize that going through a regulatory process requires an effort on the part of an individual. However, it is possible. A good example is the CBC licence renewal process. The service affects many Canadians. We see that Canadians do make submissions through this process because they have an opinion about the public broadcaster.
So it's possible for someone to participate, but it takes some effort for them to go through the various steps of the CRTC process.