Does Margo Harshman Use a Wheelchair?

And the answer to this question is No, she is not paralysed in real life. Margo only uses the wheelchair as a prop to support the storyline of her character who became paralysed in Season 11.

Is Delilah Fielding really paralyzed?

Delilah's entire life changed the night an explosion rocked a gala she was attending. A piece of shrapnel lodged in her spine and subsequently paralyzed both of her legs.

Does Delilah walk again?

Delilah has used a wheelchair ever since season 11 owing to an injury she sustained in the episodes Kill Chain and Double Back.