I have completed my 2018 taxes using Home & Business, but I find no 2019 Form 1040-ES Payment Vouchers in the final documents? In the past they have always been there?

Go to Personal Tab (not Personal Information)

then to Other Tax Situations

scroll down to Other Tax Forms

then go to W-4 and estimates and you do the 2019 estimates tax projections for 2019 here.