On a Mac client, click the gear icon to bring up the Preference page:
and the graph icon to bring up the Statistics and Route Details page:
On a Windows client, click the gear icon to get to Preferences, Statistics, and Route Details page.
When the "Allow local (LAN)" setting is checked, the VPN IPv4 Tunnel mode will be reported as "Spilt Exclude" on the Statistics report, and your local subnets will be shown as "not secure" in the route details.
When the "Allow local (LAN)" box is not checked the IPv4 Tunnel mode will be reported as Tunnel All on the statistics page, and there will be no networks listed as "non secure" on the Route details page.