Neither of the USB-C hubs that you list state compatibility with your iPad Pro. USB-C hubs are not all created equally - and not all will work reliably, if at all, with your iPad.
If considering a third-party USB-C hub, perhaps consider Kingston, Anker, Hyperdrive and Satechi - although there are many others from which to choose. A Google Search for USB-C Hubs compatible with iPad will find a number of articles and recommendations. Better still, test with Apple’s own USB-C Digital AV Multiport Adapter:
https://store.apple.com/uk/xc/product/MUF82ZM/A
Ensure that the chosen hub supports USB PD (Power Delivery) pass-through power. You will also require a USB-C Power Adapter, also supporting USB PD - ideally rated at 30W or greater.