Currently no, there are only the options provided in > Customize > WooCommerce > Checkout:

But these mostly relate to Text Formats and the privacy policy text. If you wish to change things i would suggest some simple Custom CSS

https://laytheme.com/documentation.html#custom-css-styling

https://www.khanacademy.org/computing/computer-programming/html-css#intro-to-css

https://www.khanacademy.org/computing/computer-programming/html-css/web-development-tools/a/using-the-browser-developer-tools

Best wishes @Motoproprio 🌝

Richard