Mix the refried beans and tomato sauce. Pour into serving dish and smooth to create an even layer. Add guacamole. Mix together the sour cream with half of the taco seasoning packet. Add the sour cream layer over the guacamole. Cover the top with the vegan shredded cheese. Mix remaining taco seasoning with beefless ground. Add as the next layer. Finish with pico de gallo, remaining cheese, and black olives. Cover and allow to set in refrigerator for at least one hour.