Short answer: Yes, and to a degree for a determinate amount of time, if you so choose that route.
It's a direct dose of mana, not similar to enchanter/bard mana regen capabilities..most useful in stressful/after stressful situations and recoveries (post rez).
Offheal: Yes, to a degree, although that was recently nerfed (not on the heal side)
Can't help you with photos