If you want to associate documents with software specifically, you could do this in the License Compliance module of Lansweeper. If you only wish to use it to associate documents with certain software packages you can do the following:
- Go to Software\Edit Purchased Licenses
- Click Add New License and select the software you wish to add a document to and click Ok.
- Afterwards select the Software you've just added and go to the Docs tab.
For more general information on the License Compliance module you can check
this article.