Have you set the schedule for the sales products? Do you know how to do that? Please insert the site admin access into the Private content below the message area. We will take a closer look at the case.
Please deactivate all the plugins except these ones:
Slider Revolution
WPBakery Page Builder or Elementor
Woodmart Core
Contact Form 7
MailChimp for WordPress
WooCommerce
Safe SVG
Switch to the parent theme and check
If the problem has gone, activate the plugins one by one, checking the issue to detect which one causes the problem.
Please make a clone of your site and move to the staging platform where you can disable the security plugin.
Then deactivate all the plugins except these ones:
Slider Revolution
WPBakery Page Builder or Elementor
Woodmart Core
Contact Form 7
MailChimp for WordPress
WooCommerce
Safe SVG
Switch to the parent theme and check
If the problem persists, please provide admin access to the staging site.