Does.sperm have to be.deposited inside the female literally to.get her pregnant ?

How to get pregnant: Yes. Of course. To get pregnant a female must be ovulating and at the same time be exposed to fresh semen inside of her vagina.

Semen either needs : To be deposited in the vagina or at the introitus (tissues at opening of vagina) for pregnancy to occur. Of course, pregnancy is more likely if semen is directly transmitted into the vagina.