Is it deer resistant?

Yes

Maple Leaf Viburnum is deer resistant.

Viburnum acerifolium

Deer: Rarely
Height: 6 ft (1.8 m)
Spread: 6 ft (1.8 m)
Zones: 4–9
Light: Full sun

Perennial
Shrub

Maple Leaf Viburnum (Viburnum acerifolium)

Photo: Fritzflohrreynolds · CC BY-SA 3.0

More details

Light: Full sun, Partial shade, Shade
Water: Low, Medium
Type: Perennial, Shrub
Maintenance: Low
Growth: Medium
Bloom: Spring, Summer
Foliage: Deciduous
Features: Flowering, Native
Best uses: Foundation, Hedge, Naturalized, Privacy, Woodland

More in Viburnum