Yes. You will want to make sure you have favorited the libraries you want, since that contributes to Continue Watching and the Home screen rows.
https://support.plex.tv/articles/manage-favorite-libraries/#tv-apps
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From the top navigation bar focus on Libraries wait for the row of accessible libraries below it. (actually selecting “Libraries” will select the last used library)
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Move down to the row then to the far right of the libraries and select the ellipsis menu (…) to see a list of all libraries
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Select the Heart icon (
) to the right of the libraries you wish to favorite