yes to both.
https://www.theamazonbasin.com/wiki/index.php/Lightning_BoltAmazon attack rate
Converts javelin physical damage to lightning damage, and adds lightning damage.
Synergy bonuses don't apply to minimum lightning damage.
All but the following are applied:Magic Damage
Fire Damage
Cold Damage and length
Poison Damage and length
% Life Stolen per hit
% Mana Stolen per hit
Chance to Cast on Attack
Prevent Monster Heal [1]
+% Lightning Skill Damage only applies to skill damage: it doesn't apply to converted damage or that added by items. [2]
Bolt always hits and cannot be blocked. [3]