You can hide the table to make it easier to mate the bracket and saddle.
-
In the FeatureManager design tree, right-click table<1> and click Hide Components
.
The table is hidden, but not removed from the assembly.
The icon in the FeatureManager design tree changes from

to

.

-
Click Mate
(Assembly
tab).
-
In the PropertyManager, click
if it is not selected.
-
Add a Coincident
mate between the back face of the bracket and the front face of the saddle.