In addition to support from the Center for Online Learning, Instructure (the parent company of Canvas) provides a robust online library of support resources, including self-paced training, blogs, and community groups connecting Canvas users across higher education.
If you have a general question about Canvas, you'll likely find a quick answer online. The Canvas Community and Canvas Instructor Guide are great places to start your search:
Canvas Training by the Center for Online Learning
Canvas Community
Canvas Instructor Guide
Canvas Teacher (Android)
Canvas Teacher (iOS)