Documentation:
Table Maker

Buttons can be added to the table using the <button> tag. Default button appearance is set using the options below.

Button: Text

Here you can set the default button text.

Button: URL

Here you can set the default button url.

Button: Target

Here you can set the default button target.

Button: Width

Here you can set the default button width. If set to Text Width, buttons will be as wide as their text. If set to Cell Width, buttons will stretch to fill their containing cell.

Use Custom Styles For Buttons

Here you can customise the appearance of the button. These settings are common to most Divi modules and are not discussed further here.

See here for more details.