If the testosterone is enanthate, considering the same weekly dosage, EOD will have lower peaks and higher troughs than weekly injections, or any protocol with longer periods of time between injections than EOD.
Can you … yes. Should you… likely doesn’t matter. 1-2x per week is sufficient for the far majority of men. Remember, until recent years guys were getting TRT shot every 2-3 weeks and the majority still didn’t complain.