I have one bonus on poker and another bonus on casino. If I make my casino bonus active, will I be able to clear my poker bonus at the same time?

Yes. If you activate the casino bonus and play poker, your poker activity will be counted toward the poker bonus. Activity on games valid for a bonus will be counted toward the play requirements. In case the two bonuses have overlapping valid games, then the activity on overlapping games is applied to the bonus that is active or was activated earlier if both are paused.