Yes, you may log in using your email and password at any time, even if you already enabled Touch ID on the WM Mobile App.
360034757652
Can I still log in using my email and password if Touch ID is set up?
/hc/en-us/articles/360034757652-Can-I-still-log-in-using-my-email-and-password-if-Touch-ID-is-set-up-