Can I use this card's [Your Turn] effect to suspend an opponent's Digimon for its own <Digisorption -3>?
No, you cannot. Its [Your Turn] effect is only active when this card is in play in the battle area.
If I have 2 of this Digimon, can I suspend 2 of my opponent's Digimon when I digivolve into 1 Digimon with <Digisorption>?
No, you cannot.
If I do not have any unsuspended Digimon, can I still suspend 1 of my opponent's Digimon for <Digisorption>?
Yes, you can.