For those using Pages, Numbers or Keynote current
versions have made it a little tricky to locate ‘Find and
Replace’.
Under the Edit menu FIND is available however there is
no option for FIND & REPLACE.
Once you have selected FIND (or pressed Cmd+F) you will be shown:
To locate the REPLACE look at the additional options:
For further detail see AUSOM News, December 2019 here.