1)
Restart your phone. When you log in on first boot you are logged into the Owner/primary profile. Go to Settings and in the search bar at the top of the screen type "Users" (no quote marks). Tap the top result. Tap the profile you want the App in. Tap "App installs and updates". Set it to Enabled or Enabled for first party sources. Tap "Install Available Apps". Tap the App's you want installed.
To install App's into a secondary profile this way, the app must first be installed (but can be disabled) in the Owner profile.
2)
In Owner profile go to "Users". Tap the profile you want to allow SMS in. Tap "Turn on phone calls & SMS".