Can a women get pregnant if she uses Intimate Organics Soothe Guava Bark Anal Lubricant for vaginal sex? And will it harm sperm?

Here are some... Up to now, there has been no known study specifically designed and conducted to attest & address the specific question you raised. Furthermore, considering high fastidious requirement for sperm survival, any use of intimate lubricant may affect sperm life resulting in affecting the odd to conceive; so may be from what you used. More? Seek pro counseling timely. Best wish...
Yes. this kind of lubricant will not prevent you from becoming pregnant. I am unaware of any warnings of possible birth defects. Although you should discuss it with your obstetrician if you are trying to get pregnant, I don't think there is any downside to using it. Good luck.