Apple Footer. Trade In: Trade‑in values vary. IPhone 11 and iPhone 11 Pro promotional pricing is after trade‑in of iPhone 8 Plus and iPhone X in good condition. IPhone SE promotional pricing is after trade-in of iPhone 8 in good condition. Additional trade‑in values require purchase of a new iPhone, subject to availability and limits. Must be at least 18. Connect your device to your Mac. You can connect your device using a USB or USB-C cable or using a Wi-Fi connection. To turn on Wi-Fi syncing, see Sync content between your Mac and iPhone or iPad over Wi-Fi. In the Finder on your Mac, select the device in the Finder sidebar. Sync Apps to iPhone on Mac with iTunes. It is very lucky to find an iPhone app you like on the Internet, and it is also easy for you to find it in App Store. App Store provides millions of apps for iPhone, iPad and iPod touch. If the users want to locate a certain app, they can use the search function of App.
Greetings LSQ, I understand you're not able to locate the slideshow you've created and synced with iTunes to your iPad Pro. You mentioned you checked the TV app for your slideshow, but have you had a chance to view the Library section of the TV app?
The following support article offers good information for this situation: Use the Apple TV App on your Apple TV, iPhone, iPad, and iPod touch
Purchased App On Mac Move To Iphone 6
Specifically, the following section may prove helpful:
Library
To find a list of all shows and movies that you purchased or rented in the iTunes Store, open the Library tab and select TV Shows or Movies. On your iPhone and iPad, the Library tab also shows your recent purchases and any home videos that you transferred to your device. To see more of your recently purchased content, tap See All.
Let me know if the provided information helps you to locate the video. Kind regards.