Is appointments+ or marketpress affected by WP-CRON ?

I have installed NextScripts SNAP auto posting plugin.

The configuration recommends to disable WP-Cron.
Here is the link: http://www.nextscripts.com/tutorials/wp-cron-scheduling-tasks-in-wordpress/

Will disabling built in Wordpress WP-Cron affect my Appointments+ or MarketPress plugin operations?

Thank you.