You can search all your Freeform boards for text in handwritten text, sticky notes, text boxes, shapes, and filenames.
Go to the Freeform app , then tap Find.
Search all boards: Tap the search bar in the top-right corner of the All Boards screen. Any board that contains the text appears in the search results.
(If you’re in a board, tap Delete and recover your Freeform boards on iPad