As the title says, the Lead by Example effect of Get 'Em doesn't give any bonus to spell damage. In fact, it seems like only Strikes benefit from the bonus.
Same character making two damage rolls against the same creature, the one on the left is a Strike and the one on the right is a spell:
As the title says, the Lead by Example effect of Get 'Em doesn't give any bonus to spell damage. In fact, it seems like only Strikes benefit from the bonus. Same character making two damage rolls against the same creature, the one on the left is a Strike and the one on the right is a spell: