Giving users access to Public Documents
1. Open share point and click "public documents" to summon the drop down.
2. Select "Lists" from the drop down.
3. Navigate to the folder the user needs access to and click the three vertical dots that appear.
4. Click Settings
5. On the settings page click "Permissions of this document library"
6. Select "Grant Permissions" at the top left of the page.
7. Add the names of the users who require access to the page.
8. Uncheck "share everything in this folder" and set the permission level to "contribute". Click share.
9. Refresh the page and make sure the user has been added with the correct permission level.