some functions not displaying while using shortcodes. what should we do?

we just recently purchase this plugin and we are still studying and testing it. we have been trying to figure out why these shortcodes are not working are stated in the tutorials.

these are the shortcodes:

[app_monthly_schedule ]
[app_worker_monthly_calendar]

i dont know what else that are not functioning since we are stuck on these 2 for hours.

we really need these shortcodes. Pls. help.

do need to set somethings on the settings? we already did and stil no response.

Your help is greatly appreciated

Thank you
Microteachings Team