Render Distance

Hi, Im having an issue in which the Trees of the level dosent look as well as in the viewport when I use the headset ( HTC Vive Pro ) to test the level. I used the Open World Demo Collection. My ceomputer specs are:

Cpu: i7-8700k
Gpu: Gtx 1080 8gb
Ram: 16gb
Memory: Samsun evo 970 5500gb ( SSD )