TurboTax only has W-2 worksheets that are based on your entries. They would be included in the PDF of the tax return for that year.
if you need better, you can contact the employers to send you duplicates (not all will do this)
or
you can get an IRS transcript by first creating an account if you haven't already
https://sa.www4.irs.gov/secureaccess/ui/?TYPE=33554433&REALMOID=06-00008e4d-63f6-1187-a229-7c2b0ad00...
then go to the w-2 transcript link
or
for $126, maybe $0 if you qualify, you can request copies from the Social Security adm
https://faq.ssa.gov/en-us/Topic/article/KA-02501
