I am making a video with 4 different video cuts, against 3 different backgrounds, shot in portrait mode.
For each of these, I changed the orientation of the subject and the size to place them where I wanted relative to the background.
When I view the preview video before I render, it looks great (screencaps from 3 of the cuts):



But when I render the video, I can see that the background and foregrounds are no longer oriented correctly:



I'm running Windows 10, on MSI GP76 Leopard, Vegas Pro 17.0 Platinum, 32.0 MB RAM, NVIDIA
Thank you in advance-
Laurie