iOS: To do this, open the Settings app and scroll down to the list of apps at the very bottom. Tap Commusoft and you'll see the permissions it wants. You can enable or disable individual permissions here
Android: Open the Settings app and tap “Apps” under the Device heading to get started. You'll see a list of all the apps installed on your Android device. Tap Commusoft in the list to view more information and toggle the permissions you want to give.