Where can I see the expiration date of the pasta and rice?

You will find the expiration date on the back of the package (E.g. 20191117 = 17 November 2019).
RawPancakes, RawDiet and SlimChoko on the bottom of the can.

SlimSauces, SlimSirup:  on the lid.

The products have about 12-16 months shelf life, unopened and unrefrigerated.

After opening, they should be stored and consumed within 2 days and kept in the refrigerator.