Hello @Venutius,
We hope you have enabled the Enable media in profile setting from the BuddyPress tab under rtMedia admin settings.
If the issue still persists then please share the debug info of your website along with website URL that may help us to identify the mentioned issue.
Debug info can be found under rtMedia -> Settings -> Support tab.
Additionally, share the screenshot where you are not getting the upload button.
Thanks,
Pranali
