Ashok G

Hello Friends, 
This is a wordpress woocommerce support plugin which will enable the customers to upload files after purchase.
Features:
<pre><code>Admin can centrally control the number of uploads per product.
Admin can control the the number of uploads per product on a particular product.
Admin can enable / disable the file upload for a particular product.
Admin can set the respective file types to be uploaded.
This plugin would be in continuous revision and support.
</code></pre>

WooCommerce Pay to Upload

acespritech

Are you looking for a way to create an upload form that automatically sends WordPress file uploads to your Dropbox? Using this Plugin you can easily integrate your Dropbox to your WordPress website. You can select maximum file size till your dropbox maximum upload size.
Features:- 
1 – Easy to connect form with Dropbox. 
2 – There is no file limit for upload. 
2 – Admin have short-code of form to display form in any page using it.
Shortcode:- [aspl_dropbox]

ASPL Dropbox File Upload

Another Best Plugin for Integrate Dropbox With Your Upload Form.

WooCommerce Pay to Upload vs ASPL Dropbox File Upload