Issues On Employment Management Page

While testing this Employment Management Page i have found some more issue through partner login and admin login.
1]File up load showing Blank Pop up message refer Screen shots File Upload popup.png
2]Validation message showing after inserting value in text Box Refer screen shots Validation message.png
3]After uploading Document it showing download and delete button when click on Download Button file not downloaded refer Dounload Button.png
4]Value is not saving for below test-boxes after Click on save button.
1]Review Date
2]Review Manager
3]Pay Rate
4]Bonus
5]Next Review Date
6]Review Notes