Hello,
You can add tabs using the addText method (standalone or in WordFragments to be added in tables, lists..). These are the related options:
'tab' (boolean) inserts a tab. Default value is false
* 'tabPositions' (array) each entry is an associative array with the following keys and values
* 'type' (string) can be clear, left (default), center, right, decimal, bar and num
* 'leader' (string) can be none (default), dot, hyphen, underscore, heavy and middleDot
* 'position' (int) given in twentieths of a point
Regards.