The logo is in most cases the singular and most important visual identifier for a brand. It is crucial for this signifier to be custom, unique, clear and appealing. To achieve all these things, much time and thought needs to go into the creation of a logo.
While Canva is a powerful resource, it should not be relied upon to develop something as important as a logo. Your logo will be at the forefront of your brand at all times and should effectively communicate everything consumers need to know about your brand in an instant. If your brand logo is not adequately representing your brand or looks similar to another existing brand, this can be harmful to business and reputation. First impressions matter and it only takes about 0.05 seconds for people to form an opinion about your brand.