@Nijm565 Thanks for posting in our Q&A.
For this issue, if we want to reinstall apps, it is suggested to try to add the device in the apps's uninstall assignment in the intune portal and then install the app again.
Currently, there is no way to uninstall apps via company portal. During my research, I find other customer who has the same requested posted in Intune uservoice as below. We can vote and post our detailed request here. This is a place to collect customers' requirements and problems.
https://microsoftintune.uservoice.com/forums/291681-ideas/suggestions/35751577-ability-for-end-users-to-uninstall-apps-using-comp
If there is anything unclear, feel free to let us know.
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