When uploading multiple documents of the same type you can follow the steps below to bulk upload the documents and assign a document type and purpose.
Select upload from my computer
Select shift and select multiple documents, click upload
If all of the documents are of the same purpose or type select one option, in this example we will select financial documents
Select apply all to apply this to all documentsAs seen below all documents are now marked as financial documents
The same process can also be applied to the document type
Click save to upload the documents