Are the NVARCHAR(MAX) column types necessary?

DECLARE @PropertyRepairsHistory Table

(

Jobnumber INT

, PropertyReference NVARCHAR (max) --

, JobTitle nvarchar (60)

, Priority nvarchar (20)

, JobType nvarchar (20)

, Contractorcode nvarchar (4)

, Contractor nvarchar (30)

, BilledValue MONEY

, ValuePaid MONEY

, StageHistDate DATE

, JobType2 NVARCHAR (20)

)

DECLARE @Property Table

(

PropertyRef nvarchar(max) --

, HouseNo NVARCHAR (4)

, AddressLine1 nvarchar (30)

, AddressLine2 nvarchar (30)

, AddressLine3 nvarchar (30)

, Postcode nvarchar (8)

, Officename nvarchar (max) --

, Officecode nvarchar (max) --

)