You can, but need the audience. It takes time for both comics and novels creators to grow their brand. Very rarely does someone start strong right out of the gates, who are usually creators coming from other platforms with a following already, or an art style that attracts staff for staff picks.
Several people didn't catch their big break 3-5 years of trying.
Even if youre not aiming to reach big, its still possible to earn some gas money, at least.