I have the paraguard iud. Any chance I could get pregnant when my boyfriend hugged me while we were both naked and he didn't ejaculate or precum?

Pregnancy. The IUD is the most affective form of reversible contraception. Like most things in life there are no 100% guarantees. Nevertheless, it would be highly unlikely. Take care.
Can't imagine. Even if he did have some precum on his penis, you would most likely still have been fine.
Paraguard IUD. Very very very unlikely. The IUD should protect agains pregnancy, though rarely individuals do get pregnant with IUDs (