There are lots of people that turn old bed headboard / foot board onto a bench. Turning a dresser into a bench would require great woodworking skills (as well as wood working tools) as you would have to disassemble the wood and start from scratch.
Here are a few ideas: https://www.hometalk.com/32802894/dresser-bench-upcycle
Hope one of these will help give you some ideas!
Gail Wilson's site is LOADED with amazing furniture repurpose projects! Here's how she repurposed a dresser into a storage bench.