No, not nearly enough light. Besides, you need to plan something other than incandescent, which is being phased out.

In the house we brought we inherited wall sconces in the living room. Although they look good (that's why we are keeping them) they are no good even for reading. They resemble night lights, that's why i had to add additional track lighting In our living room. As our sconces are situated, even if i put in 100 watt light bulbs, it will still not be enough light....you need overhead lighting

But for looks alone, by all means install sconces