Uploading PDF should work unless the document size it is too large (max. 25 MB). Please check if this is the case. If it still does not work, please try to save it into another format such as PNG or JPG.
Uploading PDF should work unless the document size it is too large (max. 25 MB). Please check if this is the case. If it still does not work, please try to save it into another format such as PNG or JPG.