As soon as payment has been made, a capture automatically begins processing. This is shown by the 3rd status icon, which will show as a blue animated icon (figure 1) while processing is in progress and then as a solid green icon (figure 2) when processing is complete:
Once processing has finished, the icons to the right for publishing your data to Google Street View or to download it will activate:
If the "Share" button for publishing data to Google Street View does not become active once the capture has processed, this may be because you do not have a Google account linked to your VR.World profile. See here for instructions on how to link your Google account to your VR.World profile.
Note: The ability to download data is dependent on iSTAR Pulsar model purchased.
Also note that the video shown within "Capture Details" will update upon processing completing, this will now show the fully-stitched data rather than the preview data: