It can be an uncomfortable condition - much like a plantar's wart in a person. If the roosts are high, it can hurt getting up and down. If it's round, it may hurt her toes, given where the scab is located.
If possible, try to keep her off the poop board or clean it more frequently. Standing in it could soak through her bandage and worsen the infection.
It's good that you checked her foot. Have you checked your other chickens for it?
I have a roo with chronic bumblefoot (heavy breed meets rocky soil/poorly cleaned up construction tear-down site) and it is no fun. It took five or six weeks, two vet visits, a month in the house, daily antibiotics, pain meds, foot soaks and flushing/draining to clear up. I suspect he has arthritis in his foot now.