Learn how metadata works when migrating libraries and importing assets
Yes, the metadata saved within the file (EXIF data, for example) will be transferred to Pickit when you upload a file. You can also choose to add more tags or descriptions manually at any time after the upload.
After moving your files to Pickit, all metadata will still exist in the original source file. This means you can choose to download it at a later date and the metadata will still be attached and won't be affected by the files also being on Pickit.