I feel like you could use almost anything if you are receptive and have the right mindset. Astrally is a good way or asking them to share your spirit, but you really need to be in a good place for either of those and have sufficient preparation. I feel like they occasionally “send” people intuitions too and these can be warnings or beliefs about important topics that come through. It can take awhile to recognize these intuitions.
Always use the sigil of the demon, it is the safest way. Or first contact Lord Satan with his sigil and as him if he can help you getting in contact with demon [name] offer something in return, be polite.