The JSON format allows you to export to another program.
The JSON format stores all the shot’s data along with all the layers and images and pack them in a .zip archive which you can use with import scripts in other programs.

Choose in the options between Adobe After Effects, Toon Boom Harmony, and TVPaint Animation.
The external link will send you to the online documentation explaining the import process in the targeted program.
Follow the export and import instructions for the corresponding program bellow: