If you're unable to find the PBS app on your LG TV, first please follow our instructions on downloading the app to your LG TV available here.
The PBS app is not automatically installed to your LG TV, so you will need to manually install it before you can access it from your LG TV's home screen.
If you've installed the PBS app already, you should be able to find the app icon on your LG TV's home screen. Press the Home button on your remote to return to the home screen, and looks for the APPS row on the home screen, which will be a horizontal row of app icons installed on your TV. The PBS app may not be early in this list, but using your remote, you should be able to see all installed app on your TV in this list.
Once you find the PBS app icon in the APPS row, you can select the app icon to open the app. If you wish to rearrange the order of app icons in your APPS row, use your remote to navigate to the end of this row on the far right, and click Edit App List. Follow the directions on your TV's screen to rearrange your list of app icons, and then click Close to confirm your preference.
If you are unable to install the PBS app and unable to find it on your TV, please check our help article linked here on which LG TVs support the PBS app. The PBS app cannot be offered on all LG TVs, and your TV may not be able to offer the PBS app at this time.